first off steroids dont burn fat and clen isnt a steroid either. If you want to lose body fat, diet and cardio are the keys, not drugs!! 6 months of training is too short of a time to be training before using AAS. Work on your diet. Check out the diet forum on here, lots of good advice. I know you dont want to hear diet is answer, but it is the truth. If youre not losing bf your diet needs improvement. Here's a great example of a cutting diet
http://forums.steroid.com/showthread.php?t=75729
Eat like this and you'll see the lbs magically come disappear. Going on a calorie restricted diet is the worse thing you can do. To lose weight, you have to eat more, not less!! read the thread I just gave you