By the way, I find the argument that Wikipedia copyright is very restrictive unconvincing. I have the impression that Wikipedia/Wikicommons is ruled by mobs who ignore any and all rules. For example, Wikicommons keeps deleting a photo of Heleen Mees, even though the photo agency EPA has released it under the required license (cc-by-sa-3.0) and with a statement as demanded by a Wikicommons editor (anyone can reuse the file, including pages like Wikipedia).   
Another example of mob rule, if other Wiki-editors support my version of the Heleen Mees article, thy get accused of sock puppetry. But editors who choose the other side (Theobald Tiger, AussieLegend) and revert the original text to Theobald Tiger's edit without any argument, are fine.