I just came across this perfect apron for crafters! And the best part, the pattern is free. In fact, this pattern can be adapted to your own particular taste. Have fun with it. It would even make a great gift for a crafty friend. Visit The Magic Bean to see lots more free stuff.
Here are a few more places for apron patterns / tutorials:
Brassy Apple (lots of different stuff + an apron for dolls
Rosy Corner Creations
Zig Zag Apron Tutorial