Dude, crocks aren't essential! It's just gardeners on the telly who have handy bits of broken terracotta pot to put over the drainage holes! I don't think you can actually buy ready broken crocks. Anyway, personally I just use largish stones from the garden, which works just fine :-) Most of the time I don't even cover the drainage holes at all! As long as there are drainage holes, excess water can usually find its way out, crocks or no crocks.

Mmmm, I love liquorice, a Liqourice Festival sounds looooovely!! *drool*