I only opened this thread because I knew there'd be a photo
As you're unhappy with the way you look now, I'll second Pico.
Go crazy on the activity front.
When I had to lose 4 stone to win a bet I never stopped moving.
And it became sheer joy as things became easier. I would use any excuse to squat down (in my retail job) knowing I could get down and stand up again in one smooth movement.
I'd also bounce on my toes when the shop was empty, or go up two extra flights of stairs at lunchtime in the office, in order to bounce down them again. Even waiting in queues I'd shift from foot to foot.
I doubt any of that was as important as all the walking I did, the work on my mini-stepper and the exercise DVDs, but I enjoyed my constant motion far more than I ever did the above (the DVDs were a form of torment - I still can't hear the songs from them without feeling profound unhappiness).
I lost the weight though.