Instead of takeing screenies in game, record your shots and take the screenies from the film in AH film veiwer. this way you can freeze the film at the point you'd like the screenie and move it around to the best angle, you won't get any text in the pic, and you can take a series of pics if you'd like.
Just find the point You'd like to take a screenie. stop the film , move it around and zoom in and out as you please. When your ready click on the "Full screen" button in the upper right hand side in film veiwer. Then use the "Print screen' button on your keyboard to capture image.
Open up your photoshop, or simalar program, I guess "Paint" should work and paste it there. edit and crop it as you like and your all set.
good luck, have fun