Topical sketch comedy series Newsjack is returning to Radio 7 in the new year, and once more they have an open submission policy, meaning you can just send them your funnies.
Here's a few links to people talking about writing sketches, to get you in the mood.
The writers' guidelines and information about what they're looking for can be found on the Newsjack website.
Go on. Shoo. Be funny. Send them stuff.