Here are some additional 30″x30″ gridless maps for Roll20.net use. Perfect for Shanty Town Slums and Tribal Villages.
Note: These maps are my own work and have in part been created by reproducing found textures online. They’re FREE to use.
Slums Day and Night RPG Maps
The Dungeon Geek 
Cool! you snagged some of my shacks. Glad to see someone make use of them