Even though I never played as male Shepard, I always thought of Tali as a really adorable best friend/little sister for mine. In another universe, after the reapers are gone and they return to Rannoch, she's definitely jumping into her Shepard's arms with their partially completed home in the background.
Concept drawings for this piece here:
Previous Mass Effect Art:
Many of the pieces from this gallery are available as prints through ghostfire.net
or specifically at the ghostfire market