Awesome ideas
But to give you some constructive criticism you should look for donors who have better quality and that fits into the car's angle.

But as I said the ideas are awesome and keep practicing

thank you very much: D

Looks cool mate! Are those wheels off a Lancia Stratos? They work really well!

As Zilla said though, really try to pick donors with a higher resolution, or if you cant find any, give them a brush over! I would also soften the shadow a bit at the edges to add a bit more realism.

Indeed wheels are lancia thanks for your advice : D