Create a transparent PNG spritesheet of top-down slum / rough neighborhood detail props.

Sheet rules:
- 32x32 cells
- transparent background
- gritty but readable
- not too detailed

Assets:
graffiti wall chunks, broken fencing, mattress piles, shopping carts, burning barrels, loose trash, boarded windows, illegal parking props, abandoned couches, alley junk, broken TVs, gang graffiti, spray paint zones.

Purpose:
make alleys and rough neighborhoods feel lived-in without breaking gameplay readability.
