I have them... somewhere. At least as many as would download successfully. I think I zipped them, too. I'll take a look.
EDIT: Found these in my MediaFire account:HQ FreeSpace cutscene renders
EDIT2: these too:FreeSpace Images
EDIT3: IDK if this one is in those archives or not, it was all by its lonesome in the account - but if not, here you go:
EDIT4: Maybe some overlap, but I just threw this together out of some JPGs I found in my various FS folders:fspics