1 Click Add Photos in the top right. 2  Pick the image files you want to upload. 3  Hold down the Control key on your PC or the Command key on your Mac while clicking the image files to upload multiple files at once. 4  Check the blue progress bar and click Post Photos once it's complete.hen you make a photo your profile picture or cover photo, a public copy of that photo is added to your Profile Pictures or Cover Photos album. To add photos to an album you created: 1  Go to the album you want to add photos to.