If you do a quick search on the internet you will see that there are a lot of baby photo contests out there, especially ones for this upcoming year. A great website to look it to see some of these contests is baby contest 2012. It gives you specific contests you can look at as well as a description of how they actually work.
Some baby photo contests will have certain themes. For instance, you might find a contest that is geared towards Halloween costumes. You might find one that is geared towards babies in dress cloths. There are even baby photo contests geared solely towards unusual looks. Concerning cost, there are some that are free while others are not. ]
Just know that the baby photo contests that charge a fee are usually better in certain areas. These contests give you access to parenting forums, provide newsletters, coupons, and different benefits you would not get from entering a free contest. So make sure you know what you want in a baby photo contest first. Do not enter a contest where you know the theme does not work well for your child.