Im in the same boat! I post a lot of fit pics in the WAYWT thread and I have to stand in a certain way, and also shoot from a certain angle so I kinda hide it. But regardless of the cuts I wear (Thanaz, Shioner, Darron, Tepphar, Krooley and Thavar), the thigh is always slim. I know there are all slimmer cuts but on occassion I have had to buy a bigger waist size just to get them over my legs.
Never considered switching brands though, like Diesel too much!