takes all of 2 min just color changes, it can take considerably more trying to redo panel / rivet lines as well as historical skins.
My 110 is a bit too dark, but its easy enough to fix.
Hazed make sure the image you have in your texsrc folder is 8 bit 256 colors. Thats the number reason for the te crashing when you click build.
If you need help email me the file and I will take a look.
However, recreational skinning (without building a terrain or making real quality skins) seems to me a waste of time for most folks.
Good luck....