There are plenty of websites that can demonstrate very good exercises for your shoulders, but I honestly believe that you need to get it fixed, before you damage it worse. I don't have any exercises to add to what has been suggested. If you have problems in the joint, try Glucosamine and Chondroitin Sulfate. I do. It's kinda pricey, but it works wonders for me.
lol internets... To the op - you might want to try using 5 lb dumbbells and do lateral deltoid raises. I haven't worked out my shoulders (or back for that matter) in months maybe even in a year. The desire to lift weights is about gone for me.
