You are able to mass download documents and images from a document upload question in a Registration.
Important: Using Google Chrome is required.
Step 1: Download the Google Chrome Extension uSelect iDownload.
Step 2: Run a Registration Report with the attached documents.
Step 3: Select the Chrome extension uSelect iDownload.
Step 4: Drag your mouse over the files that you want to download.
Step 5: Press ALT+ENTER to download the files.
Note: These files will download to where you have set Google Chrome to download files. To change the download location go to Chrome>Preferences>Show Advanced Options>Downloads>Change Download Location.