I knew I couldn't get away from those pods! I agree they complete the look but... Feh!
I'm developing some rules for these ships. All designs must have:
1. Intakes for the engines when they are breathing air
2. Some kind of grill that acts as the ramscoop
3. RCS Thrusters
4. Large internal volume for fuel
5. Some kind of heat radiator
It's fun working these into the existing designs, using existing scoops and such. This applies to ships like the Dralthi too, though the Kilrathi have some different ideas about where to put things, to put it mildly.
Here's a few more shots of the Scimitar. She's a little bit smaller now. Added a pair of wing flaps (non busted).