While I was browsing through other posts on Homemade by Jill, I stumbled across this awesome tutorial for making your own printables (cupcake toppers, invitations, paper banners, etc) on Picnik. I've used Picnik a number of times, but had no idea graphics were available. This could potentially save you a ton of money, especially if you plan parties often!!
See the full tutorial from Homemade by Jill here.