This will take an email with a specified hashtag and post to a Facebook Page's album. Subject line becomes the photo description.
If
Send IFTTT an email tagged
Send IFTTT an email at trigger@applet.ifttt.com with a hashtag in the subject (e.g. #IFTTT) and this Trigger fires. You can optionally add a single file attachment (up to 30MB) and IFTTT will create a public URL to the file as an Ingredient.
Then
Upload a photo from URL
This Action will upload a new photo, from the given URL, to a Facebook Page album you specify.
Discover more time saving integrations for Facebook Pages and Email