The facebook dosent gives the option to download all the pics of the album.
Here is the solution for the problem. You can download the complete album in the single click.

Steps:
- Download and Install Mozilla firefox web browser.
- Install the Addon from here Facepad
- Restart your firefox browser.
- Right Click on any facebook album name or link and click the option to Download Album With Facepad.


Note:-Facepad cannot download the tagged pictures from facebook