I'll leave the folding and ejection systems to the imagination.

UPDATE...
Here you can see some basic textures for the engines and an idea to fill in a spot on the wing supports. I wasn't sure if I wanted to do anything here or not. (#1)
I've done the windows for the bridge. I'll keep the black because I don't want to spend time on doing a full interior for it. I wanted this ship to be simple and not spend too much time on it. It also includes some details on the wing. (#2)
Here is a closer view of it.(#3)
Here is a bottom view. (#4)