This article explains how you can use Aura's new Web Uploader to upload photos from your computer to a frame that you either own or that you have been invited to.

Adding Photos via the Web Uploader

Please visit http://app.auraframes.com/ and enter your Aura Account email address and password to log into your account. If you do not have an account yet, you can click on "register here" to set it up: 

You will now be able to access any frames that you own - or have been invited to - and add new photos from your desktop / computer. While you can select all photos from within a photo album, you will need the Aura app in order to sync the entire photo album with your frame (= automatically displaying any new photos that are added to the album).