Since this is a thread about tile coasters, I though I would chime in with a comment. Last year I made quite a few sets that I stamped, and I was pretty pleased with them overall.
This year I decided to make them with scrapbook paper and Mod Podge. They are turning out great, and I think they are much, much easier than the ones I stamped. I'm making about 20 sets of 4 for Christmas gifts, and it's going really quickly. I'll post some pics when I get done.
If you are interested, here is a link to the tutorial I used:
Two Girls Being Crafty: The Ramseys Finally Have Coasters