More weights - more video - still shocking

So took more video of my deadlift - watched the video that Lloyd pointed me in the direction of and really did try to sort it out - but still can see huge problems - big one I notice is my back is curved :o(

Deadlift
45lb 10kg x2 + bar x10
1 by 134lb (60kg) + bar x10
2 by 254lb (115kg) + bar x10

Smith Machine bench
3by10 45lb x2

Smith Machine squats
1by10 bar only
10 by 35lb x2 +bar

10 by 60lb x2 +bar

10 by 70lb  x2 +bar

Just got this delivered in work so should get to do some lifting at home now :o)

Image Pro II heavy duty squat stands for standard or olympic bar / barbell - adjustable uprights - spotter catchers / safety bars - 180 kg weight load