Right....to answer you question. You should view Powerpoint as starting with a single blank page. You can add things to this page as you go along - pictures, text, backgrounds, sounds etc. Anything you add to the presentation is done via the insert menu.
Open Powerpoint. If you get any pop up screens or the paperclip close them.
You should have on the screen a new presentation with one blank slide in it. It may have a couple of text boxes on the slide saying "click here to add text" - delete any of these.
In Powerpoint 2003 you have a pane down the left side of the screen that shows a preview of all of the slides in the Presentation. If you want to add any new slides go to Insert...New slide.
To put a picture on a slide go to Insert...Picture....From File . You can then navigate to where your picture is and insert it. To resize your picture just click on the border and drag to resize.
To view the show go to Slideshow....View Show You can save your presentation in the same way as any other file.