I personally make my backgrounds by myself so I don’t know anyone that does these types of stuff, but the following episode-made stuff fit your description!
Background;
EXT. DAMAGED NYC - DAY
EXT. DAMAGED TOWNHOUSE - DAY
Overlays;
ABANDONED FACTORY BROKEN BRICK - NIGHT
Moved to Art Resources since you’re looking for overlays and backgrounds. Make sure to check out our Forum Tutorial for more info about creating topics, and feel free to PM me if you’ve got questions.