Ok brace yourself my delicious bookmarks are overflowing!! All of these have girls dresses!

tearosehome blogspot
aroomsomewhere - pillowcase tute
crafterhours blogspot have a milkmaid skirt for adults that could be for kids
madebyrae - has an itty bitty baby dress that could be drafted bigger
duringquiettime blgospot - Pintuck perfection dress
luvinthemommyhood net - Has a gorgeous rehash of a shirt to dress - shirt
goingsewcrazy typepad - twirly skirts and tutorial
polkadotbug blogspot - Reversible dress tute
freshlypicked blogspot - Pillowcase tute

You will need to add the dots and coms with those but some are just great and have heaps of tutorials for lots of things.
Happy Sewing!! If any of them don't work let me know and I think I can send you my links from my Delicious bookmarks in a PM somehow!