Getting rid of fat is all about keeping your heart rate up and burning more calories than you're taking in. You can do crunches 'til the cows come home, but you'll never get rid of that gut without burning your excess calories. Doing your elliptical is a great start.
How many sets of a particular exercise are you doing? Like on Monday, what exactly do you do for chest and biceps? Are you doing different types of exercises for each body part?
And why are you working your butt so much?