If you want Fallout: New Vegas to look a little more lived-in, these mods have you covered

Fallout: New Vegas was famously released in a bit of a state. While subsequent patches dealt with the worst of the quest-breaking bugs and stability issues, there was another problem with the Nevada Wasteland. A lot of it looked suspiciously empty, and not in a post-apocalyptic way. More of a "we didn't have time to finish the clutter pass" kind of way.

A series of recent mods from Qolore7 have been addressing that by adding furniture, garden planters, water towers, outhouses, cooking fires...