23, M, Want to know how i'm viewed

I've had girls call me ugly before, and have had girls make excuses as to why they don't want to go on a date with me. I'm wondering if it is my looks.

http://img265.imageshack.us/img265/6384/rich2.jpg http://img21.imageshack.us/img21/5868/me9en.jpg http://img715.imageshack.us/img715/3072/rich10.jpg http://img11.imageshack.us/img11/5656/meguitar3.jpg