I really like the conrast in colour, and the thinning out of the rust. I also like the sharp contrast in complementary colours.
Sally Thurrell Photography Blog: Chipped Paint and Rust Art Project.
Chalky grey texture deteriorating concrete exposed to the elements, be nice for a chimney breast or feature wall
nature's artwork - peeling and rust colour, surface pattern and texture - beauty in decay intrigues me and gives the best color juxtaposition
Raw Sienna brown inspiration.
Tree trunk - detail