YOU'RE ALLOWED TO*
Use them in photo manipulations, as references for traditional work, or for any other artistic media
Include them in works available as prints on deviantART
Include them in works on websites other than deviantART as long as you send me a message and receive a reply from this account containing my approval
Include them in commercial works after sending me a message explicitly stating exactly how it will be used (or as exactly as is possible) and only after receiving a reply from this account containing my approval

AS LONG AS YOU*
You post a comment on the stock resources you use with a link to the final product(s)
You credit this account (or myself directly as "Alex Kleinschmidt") and supply a link from your deviation or other work back to the source stock image --- I will modify these terms on an image-by-image basis in the unlikely event that one or more are needed for a commercial work

*Unless otherwise stated in the image's description.