I also tried making them out of felt since I had lots left from my felt rosette mirror project. I think they're only okay.
Making earrings is so fun and easy. Just hot glue the post to the back of whatever!
Here are some fabric button earrings I worked on as lil gifts.
Unrelated (sorta): I found this stone at the store and turned it into a necklace. It reminds me of one Phoebe wore on Friends.