Hand-Canceling - Remember to do this! Take invitations to the post office and request Hand-cancelling so you don't get ugly bar-codes printed on your invitations. I didn't even know that was an option...also has other advice for invitations
Wedding tip chart-I don't think tipping musicians should be 'optional'. If they play your requests and every other song well, tip 'em. But the part about the photographer and wedding planner is good to know as well as how to tip caterer's and officiant's.