Icon: https://www.iconfinder.com/icons/315180/document_download_icon

Manifest:
- https://developer.chrome.com/extensions/manifest

Add icon: https://developer.chrome.com/extensions/manifest/icons
- 16, 48, 128

I18:
- https://developer.chrome.com/extensions/i18n
- Example: https://goo.gl/Jk3ayA

Promo graphics:
- https://developer.chrome.com/webstore/images?hl=en-US#promo

Icon: https://www.iconfinder.com/icons/315180/document_download_icon

Manifest:
- https://developer.chrome.com/extensions/manifest

Add icon: https://developer.chrome.com/extensions/manifest/icons
- 16, 48, 128

I18:
- https://developer.chrome.com/extensions/i18n
- Example: https://goo.gl/Jk3ayA

Promo graphics:
- https://developer.chrome.com/webstore/images?hl=en-US#promo



Albums:
- Page:
-- https://www.facebook.com/pg/Fractals-Daily-1504893012863108/photos/?tab=album&album_id=1536009553084787
-- https://www.facebook.com/media/set/?set=a.1536009553084787.1073741829.1504893012863108&type=3

- Group:
-- https://www.facebook.com/media/set/?set=oa.791351474365773&type=1

User:
-- https://www.facebook.com/media/set/?set=a.125493754672592.1073741830.100016359044936&type=3
-- https://www.facebook.com/profile.php?id=100016359044936&sk=photos&collection_token=100016359044936%3A2305272732%3A69&set=a.125493754672592.1073741830.100016359044936&type=3
-- https://www.facebook.com/media/set/?set=a.10102686033608911.1073741836.4&type=3
-- https://www.facebook.com/zuck/media_set?set=a.10102686033608911.1073741836.4&type=3

Add test URLs for albums.
Add test URLs for albums.
