One of the designs I feel was successful began from stitching white cartridge paper with black cotton, observing line and white space- then manipulating this image, layering and enlarging on Creative Suite, until and almost accidental form began to emerge. Something simple resulted in a complex weave of lines synonymous to the spiders web. In the future I shall envisage to use more elements, combining many of my ideas be it the afore mentioned photograms or new influences, but the simplicity of my first wallpapers appeal and I feel were a good basis to evolve from.
Stitched Cotton on Cartridge Paper...........

Layered on photoshop.................

Concludes in Ogee grid Wallpaper.........

Photogram of cheese grater, cat toys and hamster bedding.......

Resulted in this wallpaper design...........