Lost all my old chops, managed to find a few jpegs so gave this a tidy up.

Before:


After:

Put a filter on the van and a bit on the rims to match the background, and the shadow could be a bit better .. I like the idea, cool outcome

Yep, I agree with spinner - needs a little more blending to fit with it's environment
i.e. the van looks very yellow compared with its surroundings, and the wheels are perhaps too blue

Other than that it's a very high quality chop
Everything seems to fit well, and the new front bumper and opened door look sweet

There are however a few messy selections - the inside of the window tint and around the stuff on the roof you'll notice thin jaggy lines, from where bits don't quite meet up
My advice here would be to use the pen tool rather than polygonal lasso, and set the feather to 0.2px, and just spend extra time making sure everything matches correctly

Perhaps work on higher resolution images too (ideally 1600px +) - makes it easier to avoid these mistakes

Keep it up though - a very cool chop

Agree with 2 previouse commnets
and just hit ctr+u hue/saturation and slid the first slider on ssome blue color then chop should blend in the bg muvh bether

Got a new monitor today so I've got most of the issues fixed I think. Changing my feather radius to 0.2 really helped cheers ATC. I normally work with bigger resolutions but I could only find a jpeg of this chop and that was the size of it lol. Thanks for the comments

Was wondering why I didn't think the car looked too yellow or the wheels too blue!
Nice job, the bumper and other mods look really good.
The windows are just a bit fake looking, I'd always paste over a real window with nice reflections and then lower opacity or rework it.

Update looks sweet dude! Amazing what small changes like that can make to the overall feel and appearance of the image - looks worlds better Well done

Yeah mate the small changes made it so much better, when i saw it on my new monitor I couldn't believe how bad it was. Thanks for all the advice lads