My camera club had the 'insert old photo into the same scene' theme that was kinda fun (there was a book...I can't seem to come up with unique terms to google it, something like Recreation or Remembering or Recall):
For around the home, I have a drawer of "little stuff I've found that I plan to photograph on snowy days," dead insect or their exoskeletons, dried seedpods, shells, shiny things etc, stuff that won't go bad if it sits around for months or years before I get to it.
You can always raid the fridge for subjects. This was one from another club theme where we had to take 10 photos of one thing. My thing was an egg:
When in doubt, you can always take a self portrait
, especially a racy shower one:
Or combine raiding the fridge with a self portrait:
It does't really matter if I end up with a good photo or not, amusing myself for a few hours with the camera is time well spent. There's probably a better way to phrase that
.