I love the style you used. The proportioning almost makes it look like it's from the game directly, but the additional artistic touch-ups give you that drawn feel.Also, going to nitpick here, but the hand on the blonde, in the third strip, looks rather... off.I also feel like the background is too empty throughout the whole thing. They're on a starship, aren't they?
Tali is an alien girl that you can romance as Male-Sheppard but cannot as Fem-Sheppard, however the dialog is basically the same which leads you to believe that you can