Use Relative Image Reference in README.md
So you want to have an image or two in your project README.md, but do not want those images present in your sleek binary-only project side.
Seperate asset branch to the rescue!
Push your images there and then use relative reference in your readme like so:
![your_image](/../assets/relative/path/to/img.jpg?raw=true "Optional Title")
Check out the readme here for how it is done.