ive been using traverten, i think i spelt it right, tiles from home depot.. work great.. come in sheets of 1 x 1 or 1/2 x 1/2.... one sheet cost 11..oo and you get between 100 and 140 tiles depending on what size you buy
or
you could come out here and ill sell you some frag plugs i made one day when i was bored.. have about 400 :laugh:
ive got ALOT of time on my hands since im out of work :thumpdown: