1. Current Upload Account
This will display the currently selected Facebook upload account name.
2. Enable Facebook
Click to enable Facebook. This is a background uploader to a single preselected Facebook page, like a client's page. All incoming photos will be uploaded to this page. When you log in, you will be given the option to upload to the main account (A) (the account you logged in to) or another page that you have access to (B).
The caption will be posted along with the photo when uploaded to Facebook. Facebook is changing it policies and does not allow uploads with set captions anymore. You can try it but your photo may not post if you have a caption in this field.
4. Album Name
This will create an album in the selected Facebook account where photos will be uploaded.
5. Custom FB App ID (discontinued as of January 2019)
By default, the photos will be uploaded with the BYO Booth FB app. When a user sees their photo on Facebook, it will say "Uploaded by BYO Booth." To change this to say the name of your company, you will need to create your own Facebook App and enter it's APP ID here. Instructions for setting up your own FB App using the new Facebook review policies after 4/30/14 can be found here. You can also use a generic FB APP ID which will show up as "Photo Booth Uploader" which the ID is 129317487243597.