FUCK as many as financially possible!
Don't pick any that will remind you of her in body or spirit.
Invite them into your home (if possible). That way, you'll get the teritorial issues dealt with. (Make an effort to clean it up for them too).
Try different nationalities if she was canadian.
Try canadian if she was not!
Suggestions:
I seem to prefer Slavs (Russian-Ukrainian-Czech) because chances are you will get a full GFE.
Kristy, Ivanka-Cupids
Magi-now Mirage
Linda, Sasha-GOE