I mean on new things like, straight roads,concrete, i so on..
It will be pretty nice when u can cute some things from GTA original, sry not cute just copy them, like letters, or some things from city and copy it or create the same on ur own map..
You probably mean modificating. That's easy, if you know how to create 3dmodels. The MTA team isn't going to make models just because you want it.
Heh, i dont know work with MTA scripts and stuff i'm just interested in MTA Editor, cause im working something on SAMP