Other Funny Clipart Options
If none of the above free collections have ticked all the boxes, then you could try one of the paid for options. "Pictures Of..." is a great site for funny patriotic clipart, as they offer such quality and a good range too. The image of a cartoon couple holding up a 4th of July banner is a good choice, and there are astronauts, babies, and cartoon golfers that may make you chuckle too.
Artist Dennis Cox has some superb creations on "Clipart Of...", featuring a cartoon Uncle Sam in humorous poses. Some of his creations are on "Pictures Of..." as well, so it's worth checking there first due to the lower fee.
If you are of Irish heritage, then you might find the funny Irish clipart images at "Crazy website" amusing, especially for St Patrick's Day celebrations. More Irish clipart can be found in our article on the best free St Patrick's Day Clipart, too.
While humor is down to personal preference to a certain extent, there are sure to be some amusing patriotic clipart images in the above collections that will have you raising a smile or two.