There are an endless number of techniques to create custom backgrounds for crafting projects. I will be listing links to various techniques here and I will be adding more as we discover more along the way!
Custom Backgrounds:
Alcohol ink background
Background created by stamping with embossing folders
Backgrounds created by using drywall tape
Create a background with baking paper and ink
Interesting background using a sponge
Interesting salt and ink background
Punched strip background
Rainbow Distress Oxide background
Stamped Christmas tree background
Stenciled background