I've tried different clothings and hair styles, also different facial expressions and finally a diferrent pose
I think I'm going with this for the win:
(The text in the picture has no much sense in english, that's why I haven't translate it)
Edit:
I've done my best translating it to english
it's a little pedantic pun (about "loose women" and "banners" in spanish, that's why in english loses so much sense)