Open the data.GOB file with BigGUI find the kit you want [95f783cd6cafe205e3b34b36c1642719.Big] uncompress it 1st then extract it to a save place, open your kit then again with BigGUI there will be to 2 files in the Big file, Config.bin & kit.fsh extract the kit.fsh to your save file.
Open the kit.fsh with EAgraph and save the kit as a *.bmp or *png file, open it up in a paint prog change whatever you want to change save it as a *.bmp file, open FSHed click Object-import or CTRL+I click on NEW find your new kit and then click update, once done click on the disk icon then find the kit.fsh file over write it and the kit.fsh will now have your new kit in it, open the your [95f783cd6cafe205e3b34b36c1642719.Big] file with BigGUI click on kit.fsh import your edited kit. open data.GOB with BigGUI find your kit [95f783cd6cafe205e3b34b36c1642719.Big] import the new 1 then compress it all done!!!!