You may have noticed that other people have a section entitled "My Photos" on their profiles. If you are struggling to add your own pictures then this section will give you a step by step guide.
If you scroll along the top menu bar to "Community" you will see an icon entitled "Photos" if you click on this then it will direct you to a selection of other members photographs that they have uploaded. Above this is a highlighted hyperlink reading "Upload or manage my pics," click on this and it will take you to another page with a "New picture" written in a box, click his hyperlink. A page with a few boxes will appear, fill in the title, a small description and then click the browse button. This will take you to you computer files, search through for the photo you wish to upload, double click the image and then you are ready to upload!