I have clip-ons in 3 of my bags. LOL! What I wanna do is collect all colors as well as some pigs clip-ons and then hang all of them somewhere near my office desk. It'll crack me up amidst any busy day. Here are some clip-ons I found online that you might also like.
Angry Birds Plush Blue Clipon
Angry Birds Plush Black Clipon
Angry Birds Plush Green Clipon - MY FAVORITE!!!