I am a big fan of wide lenses – 16-35mm on my full-frame camera, or 10-20mm on your crop camera.
But there is one thing to watch out for: do not get too close to people. Especially, do not put them into the corner: here is volunteer student James on Sunday:
Avoid the corners!
And avoid getting too close in general. As in this one, which is much is better, but the extreme proximity to my subject still distorts his face:
Wide lenses rock, as long as you avoid this gotcha. What they do do is give you diagonals. depth, perspective, and a few technical advantages also: the ability to shoot at slow shutter speeds, and almost infinite depth of field. so if you do not yet have a 10-20, go buy one, and shoot this kind of image: