I voted for a good portion of the people on that list. Kirito, Klein, Agil, Kayaba, Asuna, Yui, Silica, Lizbeth, Suguha...
No surprise Silica's the most popular thus far. Lizbeth doesn't seem to be fan favorite internet-wide from what I can tell, though, she gets so few imagery in comparison to the other ladies. While I like Suguha's character, I hate her real-world design. Just... not a fan of it, I'd take Leafa over it, and I generally don't care for blond-haired female characters in anime and games.