Here's a round-up of many of the fabric techniques we've covered here. Many of the techniques covered in Background papers, although they were designed with paper arts in mind, can be used for fabric painting too, so don't forget to check them out as well!
What to do with leftover pieces of batting
Adding color to a black and white print
Inktense "postcards"
Inkjets and Inktense pencils
Soy silk fabric with embroidery
Turtle stencils
3-layered fabrics
Rubbing plate fabrics
Glue gel resists
Marbled fabrics
Salt printing, sun printing, and playing with intensity
Painted silks for a quilt
Soy silk roving as a background
Stenciled leaf fabrics
Expanded square transfer onto fabric
Bleach shadow technique
Painting rusted fabrics
Felted fabric technique
Graduated colors
Gel glue resist
Custom printed fabric with Spoonflower
Snow painting
Shibori fabric
Wiped and striped fabrics
Twisted fabric painting
Painting fabric in a bag
Rusted fabrics
Leather-look felt
Painted fabric trim
Transparency transfers
T-shirt transfers