Nice list of election jokes and moments from Hattie Garlick over at Comment Central. It includes some good one-liners, including: "I thought Bigotgate was a shopping centre in Essex" (Frankie Boyle) and "You actually see the moment when a man's political career leaves his body" (Jon Stewart).
It misses a personal favourite -- this from @vivmondo on Twitter half an hour into the first leaders' debate, broadcast on ITV, 15 April:
This is the worst Kraftwerk gig ever
Much retweeted, often with the wrong attribution, as I did on the night. Happy to correct that now. Nice work, @vivmondo.