you should try wits end mosaic,, i have tried their tiny tiles,,the 3/8 inch size but they have 4x4 too,, this is web
http://www.ec-securehost.com/WitsEndMosaics/4x4_tile.html

Here's the link:

Here is a link that might be useful: Wit's End

Oh wow, I could spend lots and lots of money here. :-) Thanks so much for the link!

Hi, don't know if you are still looking for tiles but I offer them in my Etsy store in bright solid colors!

Here's the link

http://www.Kimscustomcaps.etsy.com

Also here is a link to a video clip showing how to use a fabulous pair of tile nippers to cut the center out f a dish, if you are interested!

Here is a link that might be useful: YouTube

I have ordered from this website a few times, as have friends. No problems ever. They have solid as well as the Talavera patterns. We get the broken ones for art camp - shipping costs more than the tiles!, but I've gotten their regular ones too.

Here is a link that might be useful: Talavera Tiles

Thanks for the link, Betty! I will definitely check them out.