If it's the same Photo Addendum page that is used by many of my clients, you double click in the first box on the page, then click on "insert" at the top, select "picture" then "from file". Go to the place where your photos are stored and select the photo you want to put in the first block. Repeat for the remaining photos.
PM me if you need additional assistance.
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Debra Foreback
Broker Associate
RE/MAX Classic
7472 Ridge Road
Parma, OH 44129
(216) 373-2882