Lately I've been taking files of original art from various places on the internet...
This parody of Highway Patrol by Bill Ward comes from Cracked #2 in May 1958.
Sex to Sexty. Nobody remembers it now but there were about two hundred issues at one time and some annuals. Besides the book on the previous hyperlink you can see excerpts at Giggles For Guzzlers.
Sick #7 in August 1961.
Based on the Heisenberg Principle… - Up to now, this has only worked in theory. Photo courtesy of Shruti Tibrewala. Found in Korea.
1 hour ago