This was intended as an under-painting for acrylic (it's acrylic paper) but I didn't want to ruin it if it was too much for the paper. Either way I like this undeveloped

Fluid Acrylic Failures - Creating Fluid Acrylic Paintings

Underpainting in Oil and Acrylic - Jackson's Art Blog

Acrylic April Day 26: Abstract Landscape with Palette Knife

Beginning Your Journey in Acrylic Painting - D e s i g n e r a m i c

Acrylic Still Life - The Importance of Underpainting

Liza Dimbleby - THE CROWN LETTER

Offito Paint by Number for Adults Beginner

Why You Should Do an Underpainting for Acrylics - Trembeling Art

Donald Fox - Blog: making paintings