Feline Friday is simple to join. All you have to do is..
1) post a picture, drawing, cartoon or video of a cat (They may be silly or cute)
2) go up top to the menu bar and click on the Feline Friday code
3) paste the code under your cat picture
4) add your name and link
5) links without cat pictures will be deleted
6) sites that have cat pictures selling unrelated things will be deleted (EX: Cat picture on a sites that sells hats, shoes, electronics, etc.)