As anyone who has browsed the internet knows, there are a ton of creative t-shirts out there.  Whether you like shirts with animal designs, nature, comic scenes, patterns, or nearly anything else you’ll probably be able to find a shirt or two that suits your taste.  But what about the really tough designs?  The prints that really challenged the designer and take extra effort from the printers to execute?  With this later category of shirts in mind we hit the net in search of some of the most challenging and intricate designs we could come up with.  Here’s what we found: