I only lost 2lbs the first week, have lost 4 stone 3lbs since this time last year.
I think recording your starting height and weight would have pointed out that obvious in this thread, the more you have to lose, the more you'll lose in your first week. I would be very surprised if the pp that lost 10lbs in the first week was at the lower end of the weight spectrum to start. You'll get a dramatic loss like that by making a dramatic change.
My starting weight was 13 stone 8lbs and I'm 5ft 3. I now weigh 9 stone 5lbs.
There's a great slimming world board for recipe ideas, and I use Pinterest and Instagram a lot too. Good luck and well done everybody on your losses! 