Tekhnika Molodezhi was the Popular Mechanics of the Soviet Union. The magazine, whose name means Technology for the Youth, had illustrations of everything from space stations, computerized farming, transport of the future, friendly robots, to more abstract images. If you don't want to hunt through the archive, Mythbuster's Tested website has a gallery of 201 great images from the magazine.
Selections from a handmade military discharge scrap book and comic made by a USSR army recruit, 1984-1986.
A Soviet Poster A Day delivers what it promises, one propaganda rich helping of Soviet art every day to help you on your daily doings.
The Parade of the Red Army and other scans of Soviet Children's Books from the '20's and '30's. [via DaddyTypes]