Adobe Photoshop as well as other Adobe software are arguably the gold standard of graphics and image manipulation.
creativeLive is a great webinar service which is dedicated to professionals teaching all aspects of graphics as well as business (establishing a studio, etc.), and more.
This is a great opportunity to get some free teaching. There are reruns if you miss the original webcast. Courses are also available for purchase.
The schedule can be found here: http://ww...