I do like how those look, that one sure is clean.
I know where there are 2 of these (plus an REPU and 3 rx-3's) sitting rotting, All the cars you see are rx-7's and this is an old picture, he has more than tripled the amount. Sad thing is, every one of those cars is rotting into the ground and he refuses to sell them, or any parts.
as someone who uses scratch also (see here and here) i have a few suggestions...
These little things will make this into a neat lil thing :)
Hope this helps :D
You can use a gif! There's a few live wallpaper apps that can use gifs you've downloaded to your phone. I've used AnimGif in the past