I understand licenses for binary assets such as images, fonts and icons are to be explicitly listed in the readme.txt.<div><br></div><div>There's also a tool called <a href="http://www.tineye.com/">TinEye</a> that can be used to find other uses online of an image; it's not perfect, but it can be useful for reviewers (it will show a lot of images that are registered in online stock libraries, for example).</div>
<div><br><br><div class="gmail_quote">On 6 December 2011 23:35, Dion Hulse (dd32) <span dir="ltr"><<a href="mailto:wordpress@dd32.id.au">wordpress@dd32.id.au</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
<div class="im">On 7 December 2011 15:12, Angelo Bertolli <<a href="mailto:angelo.bertolli@gmail.com">angelo.bertolli@gmail.com</a>> wrote:<br>
> Ian Stewart wrote:<br>
>><br>
>> I was traipsing through the theme directory theme by theme as I am<br>
>> sometimes wont to do and happened upon this theme with a beautiful header<br>
>> image.<br>
>><br>
>> <a href="http://wordpress.org/extend/themes/silent-film" target="_blank">http://wordpress.org/extend/themes/silent-film</a><br>
>><br>
>> It looked like a stock photo to me and made me wonder if the original<br>
>> license of the stock photo (if it is one) allowed it to be made free and if<br>
>> that's something being checked on in theme reviews (and in this theme in<br>
>> particular).<br>
>><br>
><br>
> It is my understanding that photos are not required to be put under the GPL,<br>
> as they are not themselves derivative works.<br>
><br>
> This doesn't mean that such a photo is licensed to be distributed though...<br>
<br>
</div>Correct, Some people will subscribe to the notion that only the Theme<br>
PHP code is required to be GPL - this is a accepted licensing opinion<br>
from what I'm aware of - Lets not go into this battle here however, as<br>
it's a moot point:<br>
<br>
Submission to the WordPress.org Themes repository however has a much<br>
stricter licensing arrangement, ALL of the theme - PHP, JS, CSS, Flash<br>
Objects, Fonts, Icons, and most importantly in this case Images, MUST<br>
be GPL licensed, or under a GPL-compatible license.<br>
This is covered under the Theme Review guidelines:<br>
<a href="http://codex.wordpress.org/Theme_Review#Licensing" target="_blank">http://codex.wordpress.org/Theme_Review#Licensing</a><br>
<br>
This allows for WordPress.org org to be a repository of Plugins and<br>
Themes which are 100% GPL'd, with Zero restrictions placed on usage.<br>
By all means, You should be able to take images from any theme on<br>
WordPress.org and use it in a GPL-compliant manner without license<br>
issues.<br>
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</div></div></blockquote></div><br></div>