GDI+ runtime library is required for Windows2000 and earlier operating systems. This library can be installed either to WinNT/System32 folder or to ZModeler2 folder.
Example of several .gmt files imported into ZModeler. Make sure to extract Vehicles\ZR and Locations\JoesVillie textures into "Textures" subfolder before opening any of .z3d files inside this pack.
Example pack of original GTA4 models. Includes one vehicle and one bike in .z3d format. Add vehshare folder in textures search paths list before opening .z3d files.