theres one in the guide section at the moment best bet is to look on google theres 1 site in particular which is dedicated to bug abusing i wont say on here as its obv advertising but do a quick google and your prefrence will be there.
What types of glitched are you after? i have a few that i have not seen on sale in this section. if you do choose any know that i will not go first neither will i expect you to.