In order to associate photos with an appointment click on the Appointment List icon in the left-hand menu bar.
From the list of appointments find the appointment that you would like to associate some images with and click on the Edit button.
Go to the bottom of the page under the Visit Images header and click on the Upload Image button.
A popup will appear where you can give the image both a name as well as a description.
Once you have entered a name and a description click on the Choose File button and select the image you would like to upload and then click on the upload page.
After a few seconds, the image will be uploaded and the page will reload with the image displayed at the bottom of the page.
In order to upload another image, simply repeat the upload process again for each image you wish to associate with an appointment.
For further information, please watch this video