You're free to use any of these pictures in your signature and trade rules, but remember to credit the artists. They worked very hard on these pictures and deserve recognition for their work. Also do not edit the images or use on other sites with permission for the original artist.
Now here's something we don't see very often: a piece of squid fanart! How cute! Take a look at her thread, too.
What better way to show your support for CS than these awesome stamps?
Ever wonder what your favorite CS pets would look like as humans? These little guys were made by Tack. Be sure to visit her forum topic to see more.