The Toasty Guide to Mixed Sources

Link to article: The Toasty Guide to Mixed Sources.

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= **Note: This advice is very general and is not meant as legal advice; it is intended solely as a guideline for using mixed-asset works on the SCP Wiki.**

= This is a supplement to the [http://www.scp-wiki.net/guia-licencias-de-archivos Dummy's Guide to licenses] and [http://www.scp-wiki.net/licensing-guide Licensing Guide]. If you still have questions, please contact the Licensing Team directly at SCPLicensing@gmail.com or visit #Site34 on IRC.

Hi, I'm [[*user CityToast]], Junior Licensing Team staffer and general licensing guru. As a freelance graphic artist and writer, I know a decent amount about Creative Commons licensing, and I'm often called to use assets that could have different licenses. This guide is meant to help you create compatible original works by explaining some advanced mixed media concepts.

[[collapsible show="+ A quick review on free licenses versus non-free licenses" hide="- A quick review on free licenses versus non-free licenses"]]

(Remember: just because it's a "Free License" Doesn't mean you can use it on SCP. It must //also// be CC-BY-SA 3.0-compatible.)

**Free Licenses Compatible with CC-BY-SA 3.0** (ONLY these)
* Public Domain and Public Domain Equivalent
* CC-BY
* CC-BY-SA 2.0 or higher
**Free Licenses incompatible with CC-BY-SA 3.0** (Not an exhaustive list)
* Open Data Commons Open Database License (ODbL)
* the MIT License
* Free Art License (FAL).
**Non-Free Licenses** (Not an exhaustive list)
* All Rights Reserved
* Proprietary software
* Pixabay License
* CC-BY-NC
* CC-BY-NC-SA
* CC-BY-ND
* Open Content License (OCL)
[[/collapsible]]

> **Protip:** Remember that having a license to something is different from "owning" it. Creative Commons licenses grant //usage rights//, but they do not grant //ownership//, even if you have the right to own a derivative work.

++ What the heck is a mixed-source image?

A mixed source image/graphic/asset is when you take two different assets and merge them together into one derivative asset. Here's an example:

[[collapsible show="Click here to lose sleep tonight" hide="You cannot unsee him and AND HE CANNOT UNSEE YOU"]]
[[image https://scp-wiki.wdfiles.com/local--files/guide-to-mixed-sources/WHATTHEFUCKBALLS.png class="enlarge" width="100%" style="float:right; margin: 1.5em"]]
[[/collapsible]]

When you create a work out of assets from different sources, you've created a "Mixed source" work. Since the SCP Wiki is pretty clear about [http://www.scp-wiki.net/image-use-policy what images it does and doesn't allow], it leaves few possible "combinations" that might arise, so I'm going to try and cover the majority of situations that might come up. Now it's time to play:

+ LICENSE ME THIS!

Do you have an asset you'd like to potentially use? Check out this handy dandy table. Remember, this table is a **general guide** and cannot possibly cover all possible scenarios. If there's any questions, ask the Licensing team, would ya?

[[Table style="border: 1px solid black; border-collapse:collapse;"]]
[[row]]
[[hcell style="border: 1px solid black; border-collapse:collapse;"]]
The asset is...
[[/hcell]]
[[hcell style="border: 1px solid black; border-collapse:collapse;"]]
And I want to...
[[/hcell]]
[[hcell style="border: 1px solid black; border-collapse:collapse;"]]
Can I do that?
[[/hcell]]
[[hcell style="border: 1px solid black; border-collapse:collapse;"]]
Special considerations
[[/hcell]]
[[/row]]
[[row]]
[[cell  style="border: 1px solid black; border-collapse:collapse;" rowspan="4"]]
...something I completely **own**, such as
* original art or compositions you made from original assets
* original texts you wrote
* derivative works of other things you completely own
* derivative works where all of the assets used are Public Domain or are completely owned by you
[[/cell]]
[[cell style="border: 1px solid black; border-collapse:collapse;"]]
...add it to the SCP wiki
[[/cell]]
[[cell style="border: 1px solid black; border-collapse:collapse;"]]
[[span style="background-color:#DDFFDD;"]]Hell yes![[/span]]
[[/cell]]
[[cell style="border: 1px solid black; border-collapse:collapse;"]]
When you do this, you are licensing it to SCP under CC-BY-SA 3.0, which means other people can now use it as long as they follow those license terms.
[[/cell]]
[[/row]]
[[row]]
[[cell style="border: 1px solid black; border-collapse:collapse;"]]
...blend it with something on SCP to create a derivative work.
[[/cell]]
[[cell style="border: 1px solid black; border-collapse:collapse;"]]
[[span style="background-color:#DDFFDD;"]]Yes![[/span]]
[[/cell]]
[[cell style="border: 1px solid black; border-collapse:collapse;"]]
The resulting work is licensed under CC-BY-SA 3.0 and //cannot be multilicensed//.
[[/cell]]
[[/row]]
[[row]]
[[cell style="border: 1px solid black; border-collapse:collapse;"]]
...multilicense it under another license or allow a non-SCP project to use it, AFTER adding it to the SCP Wiki
[[/cell]]
[[cell style="border: 1px solid black; border-collapse:collapse;"]]
[[span style="background-color:#DDFFDD;"]]Yes![[/span]]
[[/cell]]
[[cell style="border: 1px solid black; border-collapse:collapse;"]]
Doing this does not invalidate your CC-BY-SA 3.0 license, because CC licenses are irrevocable.
[[/cell]]
[[/row]]
[[row]]
[[cell style="border: 1px solid black; border-collapse:collapse;"]]
...add it to SCP Wiki after licensing it to someone else
[[/cell]]
[[cell style="border: 1px solid black; border-collapse:collapse;"]]
[[span style="background-color:#FFFFDD;"]]Maybe[[/span]]
[[/cell]]
[[cell style="border: 1px solid black; border-collapse:collapse;"]]
Double-check that the other license is **non-exclusive** and doesn't otherwise prohibit it from being multilicensed under CC-BY-SA 3.0, or the other licensee might want to have unhappy conversations.
[[/cell]]
[[/row]]
[[row]]
[[cell  style="border: 1px solid black; border-collapse:collapse;" rowspan="3"]]
...something that is:
* In the Public Domain 
* Under a Public-Domain-Equivalent License such as CC0, Unlicense, or (my favorite) Do What the Fuck You Want To Public License
* Released under CC-BY
* Released under CC-BY-SA 2.0 or higher
* A derivative work of any of these which is also released under one of these licenses.
[[/cell]]
[[cell style="border: 1px solid black; border-collapse:collapse;"]]
...add it to the SCP wiki
[[/cell]]
[[cell style="border: 1px solid black; border-collapse:collapse;"]]
[[span style="background-color:#DDFFDD;"]]Yes[[/span]]
[[/cell]]
[[cell style="border: 1px solid black; border-collapse:collapse;"]]
You have to follow the terms of the license, including attribution. Also: Even though PD/CC0 licenses don't require attribution, we ask you to please link to the source anyway.
[[/cell]]
[[/row]]
[[row]]
[[cell style="border: 1px solid black; border-collapse:collapse;"]]
...blend it with something on SCP to create a derivative work.
[[/cell]]
[[cell style="border: 1px solid black; border-collapse:collapse;"]]
[[span style="background-color:#DDFFDD;"]]Yes![[/span]]
[[/cell]]
[[cell style="border: 1px solid black; border-collapse:collapse;"]]
The resulting work is licensed under CC-BY-SA 3.0 and //cannot be multilicensed//.
[[/cell]]
[[/row]]
[[row]]
[[cell style="border: 1px solid black; border-collapse:collapse;"]]
...allow a non-SCP project to use it, AFTER adding it to the SCP Wiki or creating a derivative work involving the SCP Project
[[/cell]]
[[cell style="border: 1px solid black; border-collapse:collapse;"]]
[[span style="background-color:#DDFFDD;"]]Usually[[/span]]
[[/cell]]
[[cell style="border: 1px solid black; border-collapse:collapse;"]]
Doing this does not invalidate your CC-BY-SA 3.0 license, because CC licenses are irrevocable.
[[/cell]]
[[/row]]
[[row]]
[[cell  style="border: 1px solid black; border-collapse:collapse;" rowspan="2"]]
...something that is licensed under another Non-CC Free License, such as:
* Free Art License
* Creative Archive License
* Against DRM License
* Open Game License
* CC-BY-SA 1.0
[[/cell]]
[[cell style="border: 1px solid black; border-collapse:collapse;"]]
...add it to the SCP wiki
[[/cell]]
[[cell style="border: 1px solid black; border-collapse:collapse;"]]
[[span style="background-color:#FFDDDD;"]]No, unless it is multilicensed under a compatible license.[[/span]]
[[/cell]]
[[cell style="border: 1px solid black; border-collapse:collapse;"]]
 
[[/cell]]
[[/row]]
[[row]]
[[cell style="border: 1px solid black; border-collapse:collapse;"]]
...blend it with something on SCP to create a derivative work.
[[/cell]]
[[cell style="border: 1px solid black; border-collapse:collapse;"]]
[[span style="background-color:#FFDDDD;"]]No. Creative Commons prohibits creating derivative works from other free licenses which it does not consider "equivalent", and CC-BY-SA 3.0 has no free license equivalents.[[/span]]
[[/cell]]
[[cell style="border: 1px solid black; border-collapse:collapse;"]]
 
[[/cell]]
[[/row]]
[[row]]
[[cell  style="border: 1px solid black; border-collapse:collapse;" rowspan="2"]]
...something that is:
* Released under any Creative Commons License that includes "Non-Commercial" (NC) or "No Derivatives" (ND)
* A derivative work of either of these.
[[/cell]]
[[cell style="border: 1px solid black; border-collapse:collapse;"]]
...add it to the SCP wiki
[[/cell]]
[[cell style="border: 1px solid black; border-collapse:collapse;"]]
[[span style="background-color:#FFDDDD;"]]No.[[/span]]
[[/cell]]
[[cell style="border: 1px solid black; border-collapse:collapse;"]]
Some creators do release their works under multiple licenses alongside Non-commercial licenses—one of which might be compatible with CC-BY-SA—but that is pretty uncommon.
[[/cell]]
[[/row]]
[[row]]
[[cell style="border: 1px solid black; border-collapse:collapse;"]]
...blend it with something on SCP to create a derivative work.
[[/cell]]
[[cell style="border: 1px solid black; border-collapse:collapse;"]]
[[span style="background-color:#FFDDDD;"]]No. It is **absolutely incompatible** for adaptation/remix by CC-BY-SA.[[/span]]
[[/cell]]
[[cell style="border: 1px solid black; border-collapse:collapse;"]]
 
[[/cell]]
[[/row]]
[[/table]]

> Golden Rule #1: So long as the resulting work is compatible with CC-BY-SA 3.0, you can add it to SCP. Doing so releases your art/image under SCP Wiki's CC-BY-SA 3.0 license //regardless of the previous license//. This doesn't invalidate the previous license, though.

+++ Mixing Free Licenses

So you're wanting to create a work for use with SCP! That's great. Make sure to consider the assets you're using.

> Protip: You cannot create derivative works that use CC 3.0 assets mixed with assets under another non-CC free license. For example, you cannot create a derivative work that uses both Creative Commons 3.0 and the Free Art License (FAL) unless the FAL work is multi-licensed under a CC 3.0-compatible license as well.

We're going to use [https://www.publicdomainpictures.net/en/view-image.php?image=308642 this Public Domain image], [https://www.flickr.com/photos/75579135@N00/11277280603 this CC-BY image], and [http://scp-sandbox-3.wikidot.com/local--files/collab:citytoast/QtPl5uf.jpg this CC-BY-SA image]. (This is gonna be a weird lookin' skip.)

> Golden Rule #2: When you mix sources, the **minimum** license of the resulting image is the **most restrictive license.**

[[table style="border: 1px solid black; border-collapse:collapse;"]]
[[row]]
[[hcell style="border: 1px solid black; width: 30%;"]]
If the sources you use are...
[[/hcell]]
[[hcell style="border: 1px solid black; width: 30%;" ]]
You can choose to license the resulting work as (Colors indicate compatibility with SCP Wiki)
[[/hcell]]
[[hcell style="border: 1px solid black; width: 40%;" ]]
Example Attribution
[[/hcell]]
[[/row]]
[[row]]
[[cell style="border: 1px solid black;"]]
Public domain/CC0 sources only
[[/cell]]
[[cell style="border: 1px solid black;"]]
* [[span style="background-color:#DDFFDD;"]]CC0[[/span]]
* [[span style="background-color:#DDFFDD;"]]CC-BY[[/span]]
* [[span style="background-color:#DDFFDD;"]]CC-BY-SA[[/span]]
* [[span style="background-color:#FFDDDD;"]]CC-BY-NC[[/span]]
* [[span style="background-color:#FFDDDD;"]]CC-BY-NC-SA[[/span]]
* [[span style="background-color:#FFDDDD;"]]CC-BY-ND[[/span]]
[[/cell]]
[[cell style="border: 1px solid black;"]]
"Flower that wants to eat you" by UploaderName, licensed under **<license>**. Derivative of: "[https://www.publicdomainpictures.net/en/view-image.php?image=308642 Blossom Flower]" by Andrea Stöckel, (CC0).
[[/cell]]
[[/row]]
[[row]]
[[cell style="border: 1px solid black;"]]
* CC0 and CC-BY sources
= or
* CC-BY sources only
[[/cell]]
[[cell style="border: 1px solid black;"]]
* [[span style="background-color:#DDFFDD;"]]CC-BY[[/span]]
* [[span style="background-color:#DDFFDD;"]]CC-BY-SA[[/span]]
* [[span style="background-color:#FFDDDD;"]]CC-BY-NC[[/span]]
* [[span style="background-color:#FFDDDD;"]]CC-BY-SA-NC[[/span]]
* [[span style="background-color:#FFDDDD;"]]CC-BY-ND[[/span]]
[[/cell]]
[[cell]]
"Spooky flower in a house" by UploaderName, licensed under **<license>**. Derivative of: "[https://www.publicdomainpictures.net/en/view-image.php?image=308642 Blossom Flower]" by Andrea Stöckel, (CC0); "[https://www.flickr.com/photos/75579135@N00/11277280603 Ickworth House]" by Si B, (CC-BY 2.0).
[[/cell]]
[[/row]]
[[row]][!-- PD + CC-BY + CC-BY-SA --]
[[cell style="border: 1px solid black;"]]
* CC0, CC-BY, and CC-BY-SA sources
= or
* CC0 and CC-BY-SA sources
= or
* CC-BY and CC-BY-SA sources
= or
* CC-BY-SA sources only
[[/cell]]
[[cell style="border: 1px solid black;"]]
* [[span style="background-color:#DDFFDD;"]]CC-BY-SA[[/span]]
[[/cell]]
[[cell style="border: 1px solid black;"]]
"What a terrible skip, downvoted" by UploaderName, licensed under CC-BY-SA 3.0. Derivative of: "[https://www.publicdomainpictures.net/en/view-image.php?image=308642 Blossom Flower]" by Andrea Stöckel, licensed under CC0; "[https://www.flickr.com/photos/75579135@N00/11277280603 Ickworth House]" by Si B, (CC-BY 2.0); "[http://scp-sandbox-3.wikidot.com/local--files/collab:citytoast/QtPl5uf.jpg Handsome Guy]" by CityToast, (CC-BY-SA 3.0).
[[/cell]]
[[/row]]
[[row]]
[[cell style="border: 1px solid black;"]]
Any Creative Commons license with -NC or -ND
[[/cell]]
[[cell style="border: 1px solid black;"]]
* [[span style="background-color:#FFDDDD;"]]Always results in a NC licensed work[[/span]]
[[/cell]]
[[cell style="border: 1px solid black;"]]
 
[[/cell]]
[[/row]]
[[row]]
[[cell style="border: 1px solid black;"]]
Any Creative Commons Free License (3.0 or lower) and any Non-Creative Commons Free License (Such as GFL or Free Art License)
[[/cell]]
[[cell style="border: 1px solid black;"]]
* [[span style="background-color:#FFDDDD;"]]Cannot create derivatives[[/span]]
[[/cell]]
[[cell style="border: 1px solid black;"]]
 
[[/cell]]
[[/row]]
[[/table]]

++ Conclusion

Remember, licensing is sometimes weird. If you have any questions, check in with the licensing team; we're here to help!

The Toasty Guide to Mixed Sources

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