rrb5028,
Not an automatic one. You could resave the presentation and choose *.jpg or
another format in the save as list. You will be asked if you want to export
just the current slide or all slides. In your case choose all slides.
PowerPoint will output to a folder containing all the slides as a jpg or
whatever you have chosen as format. Then it is a question of inserting all
pictures and resizing them as appropriate.