Maybe... since myself i have not the time... try to contact Koobalt, he is a fast and talented modeler... he work for several mod like the B5 mod, the Galactica mod, ... or some mod non related to sins... he know very well the modeling specific from sins, he is good at poly/UV optimization and if needed, he can texture too...
Some of his work is show at http://babylon5ins.blogspot.com/search/label/Koobalt%27s%20B5%20Shipyard ... You can found him on these forum and on the danmangame forum using the nickname "Koobalt"