I'm eager to cut down on the vertical space iteration requires because I find myself iterating a lot. Adding a psuedocode comment and separating the three lines from nearby code with blank lines seems to make me somewhat happy, but costs me even more vertical space!
something() ; for n = primes from 1 to 100 g.PNG = PNG_start(1, 100) While PNG_next(g) n = PNG_get(g) something(n) Wend something()