PLZhow do I insert vehicles like the wraith into any map

[hufger]

i am learning to mod but i dont know how to insert any vehicles like the wraith or civilian hog into maps , so plz if anyone has a heart plz tell me how?

[CKY2K]

either...
A) mod an existing vehicle by exporting it out of HMT and editing in Milkshape
or
B) create a totally custom one and tag it, and loading it in a custom map via sapien.