@Wiimeiser: I was asking more along the lines of where the...

Wiimeiser
2013-07-23T07:28:05-04:00

I was asking more along the lines of where the line is drawn.

I'm guessing these would be okay:
http://www.pixiv.net/member_illust.php?mode=medium&illust_id=36098008
http://www.pixiv.net/member_illust.php?mode=medium&illust_id=34289500
http://www.pixiv.net/member_illust.php?mode=medium&illust_id=12485562

But something like Mistystuffer's Tewi wouldn't.