They're pretty simple.
All the rules can be found in the info here
Also. If you like my icons, feel free to friend the community or join the community.
Icon makers and affiliates.
Icon makers: just comment on this post with a sample of your work, or where i can find a sample of your work, and the subjects you normally make icons of. :) That's all!
Affiliates: just comment on this post saying you want to affiliate with us and that's it!