We did something similar for a friend of mine, although we went a bit overboard and did a 21min movie! The blonde chap and the guy with the glasses are the two best men. I'm dressed as the old lady. Had great fun making this.
My cousin created this website back in 1997. A lot of helpful advice and tips. I've delivered x 2 Best Man speeches and turned to this website each time just to flesh out the content a bit: http://www.hitched.co.uk/speeches/speechhome.aspx. Good luck!