Artangel: Mixed media crumpled tissue technique - tutorial - basically, glue tissue paper over a canvas, let dry. Paint, let dry, then rub oil pastel or crayon over the surface to highlight the texture.
All about TEXTURE - 20 ideas Mixed Media Art Tutorial
Add transfers to your gelli prints. Print Transfer Technique A quick and easy way to transfer some print material to your art journaling pages, that I came across mostly by accident and have since used on many an art journaling page!