On the 60D there's a Quick Control button to the right of the LCD, just click that and it will bring up all the vital control options on the LCD. The image quality is the lower right corner. You'll probably see an L,M or S for Large, Med, Small jpeg. You can click on that with the round wheel and than select the option you want. As other's have mentioned, it's best to read the manual or another book chapter by chapter and you'll really learn the camera.