Cameraflage and Redleg have used those decals on their Stryker builds over in Armor for the packs. I can't speak for them, but I think they liked it. The results looked mighty impressive to me though. Scroll through these to pages to see the decals at work (and some mighty fine models to boot):
Cameraflage's Stryker with BDU Backpacks:
/forums/4/1046119/ShowPost.aspx#1046119
Redleg's Stryker with Digital Camo uniforms:
/forums/4/1038334/ShowPost.aspx#1038334