tutorial at Oscraps blog
https://ozone.oscraps.com/fusion-digital-scrapbooking-bonus-use-grunge-brushes-create-background/

Courtney Grunge Texture 1
https://www.oscraps.com/shop/Grunge-Textures-Vol.-1-CU-PU.html
Taylor Made Designs
https://www.oscraps.com/shop/transitions-digital-page-kit-transitions1.html