Id say run with it dude....
Who cares... just do as you will.... throw some weapons and a shuttle bay on this beauty and lets she how she looks
With texturing... Im too busy to do it 4 u.... but... 1. you have psp or photoshop? 2. linda learning .com... awsome for mapping tuts 3. practice...
no 3 is the best... just keep at it until it looks good.... if it looks tonk.... (crap) start again... drink more beer/coffe
and continue... you will get there dude