ohfuck
The first thing to say is that you have lost weight. In the 'difficult weeks' of 3, 4 and 5 you have maintained that loss. I know it's not a massive amount compared to others, but it is, nevertheless, a loss.
Overall, your meals look fine, so I suspect you could just need to look at tweaking things a little.
The first thing I would say is that it's obviously difficult to comment on portion sizes, but could you look at those and see if you perhaps need to cut them down a little?
Second, you keep emphasising the amount of fat you're eating - e.g. massive knob of butter - but I'm wondering if, actually, you're not eating enough fat. Again, without really seeing what you're eating it's hard to be sure about this. The protein that you are eating is sometimes lower in fat and it's difficult to tell how much of this you're actually eating.
By contrast, you're eating a lot of veg (all of which sounds lovely, btw!), which is fab, but only if it's delivering carbs in a lower proportion to protein and fat.
I wonder if it would be worth working out - just for a couple of days - how much carbohydrate you're eating? It could be that you're simply eating a little too much. And certainly if you're doing Bootcamp Light at the weekend, and including nuts in your diet, it could be that you're just lifting your carb levels a little too high for you.
Unfortunately there's no hard and fast rule here - everyone is different in terms of the level of carbs that they can tolerate. But if you work out how much you're eating at the moment that might give you a better insight into what's going to work for you.
I might, also, look to cut out the green beans and tomatoes/tomato sauce, as I suspect that theses could be adding more carbs to your diet that you suspect. Similarly, switch to a vinaigrette dressing rather than Hellman's mayo - although mayo is great for fat, it does still have some carbs in it.
Third, if you're frustrated by the scales sticking, perhaps consider reverting to Bootcamp at the weekend as well.
Fourth, have you measured as well as weighed? Have you been trying on something that was initially tight to see if there's any difference over the last three weeks?
Re exercise, I would be less concerned about this. Exercise only counts for 15-20% of weight loss and actually is more likely to increase your appetite, making you eat even more. Obviously it's good from a more general health perspective, but if you were to suddenly rush off the gym or start running a marathon, that isn't going to solve the real issue, which is discovering a way to eat that's going to encourage weight loss.
I know that it's frustrating when the weight loss slows, especially when you feel you have a long way to go, and it seems so early in the process. But we are only half way through, and it's really not a very long time that we've been doing this. As someone wiser than me once pointed out on these threads, this is a marathon not a sprint!
As long as you're enjoying the food, don't feel deprived and are not hungry all the time, then stick with it.
Good luck for tomorrow morning!