Just sharing a bumper some guy made. IMHO he nailed it on the design. It follows the lines of the truck and appears to have good approach angles. Hopefully it's built as well as it looks.
http://gitout.com/showthread.php?1250-Joe-s-Landy-build&p=29137&viewfull=1#post29137
http://gitout.com/showthread.php?1250-Joe-s-Landy-build&p=29137&viewfull=1#post29137