I just finished cleaning out an old "petmate pet porter" dog crate that I want to convert into a brooder for the spring. It's 21"wide, 34" long and 29" tall. Anyone have any ideas on how to put heat lamps on or in the thing? I was thinking about drilling some holes in the top and hanging lights inside but, it's made of plastic and I'd be worried it would melt if they were too close to the top... Ideas? I'm also going to add a bit of thick plastic to the bottom of the door to keep the mess in.