Easier to paint, in my opinion, but would be gorgeous with plexiglass. How to mosaic stair risers using plexiglass. This is a truly inspiring DIY project! from: http://silvahayes.hubpages.com. Also a good method for a kitchen backsplash.
MOSAIC TABLE floral pattern CUSTOM stained by ParadiseMosaics, $660.00
Mosaic floor -
Might be a good idea for repurposing / recycling an old tub for the garden...
What a great idea for a garden faucet... take a scrapped pedestal sink and mosaic it! Wash off garden tools, hands, etc outdoors :)