One blog that’s reliably fascinating is If Charlie Parker Was a Gunslinger,
There’d Be a Whole Lot of Dead Copycats
. Predominantly visual, they regularly post intriguing images from film and other pop culture (and occasionally slightly higher culture, for that matter). Today’s post is nifty, screenshots that feature “frame within the frame” composition. Here’s a couple samples from Filmwell films.

Ikiru (Akira Kurosawa, 1952)

Wise Blood (John Huston, 1979)