It's not bad things - it's part of the fun.I don't get pleasure from bad things happening to other people, so I tend not to take into account the fact that many people do. I know that they do, but I don't understand why and I'm glad I don't.
"I know this is gonna get some hilarious results," said the OP. I'm sure he wants the pics done correctly but, frankly, I'd imagine he (and most photoshop OPs) would be disappointed not to get some funnies. I mean, who wouldn't want to see their pooch 'shopped into a hot dog?

. Hope the OP hasn't printed it...