Your glutes are the muscles of your butt. These are powerful muscles, and exercising these can have a profound effect on your apperance.
The best exercises to work your glutes include squats and lunges. Unless you are looking to increase the size of this muscle, using a lower weight with high reps will yield the best results.
Whichever exercises you perform you should always follow the principals of good weight lifting.
As with any muscle, growth will depend upon a number of factors including the exercise you do, your diet, and appropriate rest.
Most people don't look at the glutes area, as an area to increase in size, in fact many wish to actually reduce the size of this area - generally those that are over-weight.
Due to the fact that the glutes contain large powerful muscles, its these muscles that will greatly assist the over-weight individual lose weight in the form of excess body fat.
Work your butt off by exercise - strength and aerobic.
Look in the STRENGTH TRAINING area for advice on how to train your body for your own specific goals.
Look in the AEROBIC TRAINING area for advice on how to train your body for your own specific goals.