Really want to Mod Madagascar

so there's this game for the pc witch is a big part of my childhood called Madagascar alot of you 
will know it to. 



...and iv'e been tying to mod this game for 3 years now but still no luck 
and i really need help, so if everyone is interested i will be very grateful

but don't worry i won't be a scrub
I've already extracted models using quickBMS
i just can't figure out how to repack them 

see for yourself:





so if you are intrested in helping me please reply and i will make a new thread that will provide you with the files and tool's you'll need 

thank you