Simple Terms:

+ Credit me in your description please.
+ Send me the link to your art if you have the time.

+ Don't use it in abusive ways. (No child abuse please, or pornography...)

+ You can post your work on other sites. (Except on Redbubble)

+ You may make Deviantart prints.

+ Please don't redistributed my stock. (Ie, posting my images somewhere else for other people to use.)

+ No commercial work please. (If it's important ask me via note and we'll discuss it).

+ Don't make new stock from my stock.

Simple enough? Feel free to note me if you have any questions.