The pictures are preview pictures for the downloads, so I guess you'll find them (or links to them) where you found the pictures.
The shirts are at MYB somewhere,
http://www.mybsims.net/forumthe hairs are recolors by Snapun,
http://snapun.livejournal.com/79017.html#cutid1In the future, please search on your own first. These should be possible to find using Google, if you go by the info in the pictures.