a few tips for aspiring photographers wanting to have a go in competitions:
How to Win a Photography Competition
Photojojo's summary of warning tips about photo contests: "... be sure to read the fine print about copyrights before entering any contest.
Some contests assume that entering your photo means transferring your copyright to the sponsoring company, and that’s just messed up. Granting a license may be okay as long as you get proper credit and don’t mind not getting paid for your work, but never ever give up your copyright."
In addition to the above warning, let me warn you about those contests that require you to submit an entry fee. Some organizations require an entry fee only from those people who are not members of their organization, while others require fee for all contest entries. There are many contests that do not require any entry fee.
A website that lists all the photography contests running at any given moment. Plus they break down the deadlines, entry fees, and copyright info into manageable chunks. They even rate the contests!
Photojojo's list of 12 contests
to enter right now (some deadlines coming very soon)