Welcome to the forum. If it's a younger girl, post a request in the teens section,
http://peachyforum.com/11.aspx
If it's an older one, go to the milfs section,
http://peachyforum.com/113.aspx
To create a request, click the "new topic" button. You can edit your posts (but you cannot delete them). Before posting a request, do the image search:
http://peachyforum.com/t/only-picture-for-a-request-need-id-try-this-first--364866.aspx
If you have a link to a gallery or to a picture, insert it as text, it will be converted into a link automatically. If you have pictures on your computer (or the link cannot be posted here), upload them to http://imagevenue.com . One picture can be attached directly to the post:
http://peachyforum.com/t/how-to-attach-a-pic-in-a-post-373116.aspx