As a jazz guitar player, you'll be asked to and will likely want to play the blues. It's a ubiquitous form and there are so many heads out there. Likewise, there have surely been times where you've heard someone play the blues and thought that it sounds way cooler than how it does when you play off of a lead sheet.
It's probably because they were using all sorts of jazz blues substitutions. In this podcast, I cover different blues substitutions and where and how to use them to make your blues sound hip and jazzy.
Marc-Andre Seguin is the webmaster, mastermind and teacher on JazzGuitarLessons.net, the #1 online resource for learning how to play jazz guitar. He draws from his experience both as a professional jazz guitarist and professional jazz teacher to help thousands of people from all around the world learn the craft of jazz guitar.