Stock Rules:

Note me if you used my Stocks so I can see what you've done.
Always credit me with an icon or link.
You do not have to ask for permission if you want to make your art available for print.
You're free to use my Stock commercially (at least it's your art). You do not have to note me whether it's in magazines, on Flyers and so on.
If you upload your art outside DeviantArt you can do this freely. But if you want you can credit me.
Have fun!
If there are any questions you can ask me.