I tried my hand at making an endcap for my bumper build. Not 100% successful, but getting there. It is harder than it looks to make a nice looking endcap, the transition from the bumper proper is tricky. I was making things up as I went along, and that means finding mistakes after some work has been done :)

http://shufti.wordpress.com/2013/08/02/vanagon-bumper-build-end-cap-attempt/

alistair