Following on from my earlier posts about caution being exercised when entering photographic competitions, I have no compunction whatsoever about linking to the 2010 British Wildlife Photography Awards. There are ten categories to choose from, the top prize is an eye-catching £5,000, and their terms and conditions do not unfairly take advantage of the photographer (my emphasis):
By entering the competition, you grant BWPA and its sponsors and supporters a non-exclusive, irrevocable licence to reproduce, enlarge, publish or exhibit, on any media, the images for any purpose directly connected with the competition.
The closing date is 4th June, so that gives you plenty of time to get your stuff together.