Working too hard in the middle, not enough in the outer 1/2 of each limb. left is a bit stiffer than the right.
Couple of pointers.
1. Make sure the bow is free to rock on the tiller, so don't have the top of the tree wide and square, round it off a tad.
2. Make sure you support the bow where you hand will support it , and draw it from where your fingers will pull it.
It jus tneeds easing off a tad on the outer limbs to get a smoothe rcurve. Try the hold ing CD or coffee mug up in front of the pic and you'll see where its bending most.
mind it all depends what shape you want it to be.
When I look back at some of mine I think ... hmmmm bit stiff at the tips or too much bend mid limb.
I think we maybe get a bit obsessive about it all, but it needs that perfectionist streak to get your eye attuned to the subtleties.
Remember tillering is about stopping the problems occurring almost before you can see 'em. Once they are really obvious, it's often too late to fix it without dropping a fair bit of draw weight.
Del