Here is the third special Garrus and Shepard panel from the comic: [link]Other panels
Garrus, Panel 9: [link]
Garrus & Shepard, Panel 5: [link]
Garrus & Shepard, Panel 6: [link]
All I did was just extract the models from Mass Effect 2's PC assets, bring them into 3ds Max, throw their textures on them, and then I moved them around to pose them.
(The models and all of their assets belong to BioWare.)