I found this on deviant art and figured I would post it for inspiration.
it's posted by Granamir http://granamir.deviantart.com/
he has a ton of other scratch built ork stuff.
Death Squads One-Man Art Deptartment & Lead Designer for Craftworld Eldar.
Founder, The Society for Better Game Design
My DeviatArt Page http://wnxdysturbed.deviantart.com/ My DeviantGroup for 40k Models http://40kmodelgallery.deviantart.com/
"The very existence of flamethrowers proves that sometime, somewhere, someone said to themselves, “You know, I want to set those people over there on fire, but I’m just not close enough to get the job done.” ~George Carlin