I believe in sharing...
…but this is ridiculous:
Pictures are not guaranteed publication. When you submit your materials, you grant [site name redacted] a non-exclusive, irrevocable, royalty-free license to use the work to be used, copied, sub-licensed, adapted, transmitted, distributed, published, displayed or otherwise under our discretion in any and all media.
All rights owned and controlled by [site name redacted]
As in “I’ll take that, thank you, and hope you’ll buy the book.” Sorta shoots the idea of share-and-share-alike right outta the sky. You go, jiveturkey!