The pictures in the My Photos folder on your computer? Or are you talking about the photos on a website? If you want to delete the pictures on your computer, they are in the My Pictures folder/directory which is inside of the My Documents folder/directory. Here is a document that explains some basics of file management, including how to delete files (pictures are considered a type of file): http://oit.montclair.edu/documentation/computing/Windows_XP_File_Management.pdf