Weaning and potty training..it's a bitch!

Right now I am trying to wean Kendyl and it's so hard. I would appreciate any and all suggestions on that matter. I am also slowly, but surely trying to potty train Joey. She is doing so well, so I slap some Dora underpants on her, but then she doesn't mind at all when she has it running down her leg??? I think she thinks it's funny, but then again she is running around the house singing the pepto bismal song(nausea, heart burn, indigestion,...) you know the rest!