How can send photos, videos and other content to friends?

To attach a song, a photo or a video go to your friend's page, click on the text input field above his wall and then click More. You will see the buttons you need there.

Same goes for private messages and group chats: click the attachment button and select what type of content you want to attach: Photo, Video or Audio.
Your search for returned no results.
Try using other keywords, e.g.: "delete profile", "create chat".
Check your request for misprints.