Tons of poorman's bursts on the forum. I've done a tonne using Colortone water-based dye and it's not as hard as you might think. If you get some dye and scrap wood (eg pine), you'll have it down in no time! My last rubbed on burst was this one:
http://www.buildyourownguitar.com.au...ll=1#post66548
cheers,
Gav.