I dare say we could throw something together in Photoshop - lots of layers is always the answer.
We can use Brad's PNG Star Fleet logo for starters.
Beyond that, we need a good group photo of the crew or the ships.
Maybe you could crop this down to a square and lose the dark top and bottom without losing too much actual 'image'.
http://xbomber.co.uk/Star%20Fleet/Scans ... Edited.jpg
I thought I stopped working for Apple 18 months ago.
If in doubt, *** ACTIVATE X-IMPULSE ***.