I didn't want to forget these pictures, so I'm gonna leave the URL on here til I get to my photobucket:
http://www.animepaper.net/upload/thumbs/wallpapers/Sister-Princess/%5bsmall%5d%5bAnimePaper%5dwallpapers_Sister-Princess_DarthAya_8658.jpg
http://www.anime-networks.com/image/animetitle,1067,sister_princess.jpg
http://uk.msnusers.com/_Secure/0QgDrAp0TDYheJkP4onfiyhDD40IJnEkqoXJe10WAintoobDKM!Zi7cKBoSlxyCmjdEpENU5QrEzxVn8UI82f*irlzSkYZysGYZXm62o8X*c/sp04.jpg?dc=4675438969899979459
http://animedream.creolmail.org/downloads/desktopthemes/wallpapers/sisterprincess53.jpg
http://animedream.creolmail.org/downloads/desktopthemes/wallpapers/sisterprincess06.jpg
http://animedream.creolmail.org/downloads/desktopthemes/wallpapers/sisterprincess52_sm.jpg
http://animedream.creolmail.org/downloads/desktopthemes/wallpapers/sisterprincess59.jpg
Charater description:
http://homepage.mac.com/sp831/sisterprincess/aria.html
http://homepage.mac.com/sp831/sisterprincess/sakuya.html
