the mod packer is an old program that could install ships, in a similar fashion to BCSMC, so BCSMC can be used instead.
1.Open BCSMC, it should look something like the attached picture. (you may have more boxes if you have any of the options at the bottom checked but this is the minimum setting)
2.Browse to the different files that the first two boxes ask you for, the "?" button will tell you which ones go in each box. on the ship name name box type the name you want the game to display for your ship (i.e. Neg'var) then in the Menu Group Box, select the Race menu you want from the drop down list (i.e. Klingon Ships), You can also type a custom menu name here (i.e. Future Ships). you can leave the Ship Description box empty, or type whatever you want, that tells the game what to print in the Description Box on the QB screen.
3.Click Create Ship Plugin. There you go.
Note: by default the program will create your plugin in it's own root folder, so if you didn't install BCSMC in your BC folder then you need to move the plugin to the correct place.