This is easily done in GO3:
-a- in GO3, switch to tab Addressbook;
-b- make sure tab Contacts is selected;
-c- select the contact you wish to add the picture for;
-d- in the right panel "Contact Details", click button Files in the blue toolbar. The "File Browser" dialog opens;
-e- click button "Upload" in the blue toolbar, and select the method you want to upload with;
-f- In the "File Upload" dialog, browse to the image you want to upload and click "Open";
-g- upon successful upload, the uploaded image appears in the "File Browser" dialog;
-h- close the "File Browser" dialog.
Repeat for as many images you would like to add.
The uploaded image appears as a hyperlink in right panel "Contact Details".
Click to bring it up in it's own pop-up window.
"People, let's do it to them, before they do it to us!”