Here are Firefox add-ons to save just about anything from a web page you could ever want.
File & Page Saving
Backgroundimage Saver – Helps you save the background image of a page even when hidden behind a transparent GIF.
BatchDownload – Assists you in downloading multiple image links at once.
Bazzacuda Image Saver – Will cycle through your open tabs, if any tab has an image and nothing else, the image will be saved and you can have the tab close automatically.
Downloads in Tab – Moves the download manager to a tab.
Download Manager Tweaker – Open the standard download manager as a separate window, a new tab, or the sidebar.
Download Statusbar – Rid yourself of the pop-up download window and manage everything from your status bar.
Download Sort – Automatically save downloads to different directories when using “Save Link As” or “Save Image As”.
DownThemAll! – Download one link or multiples, has a built-in accelerator.
FlashGot – Download one link, selected link, or all the links on a page.
Image Download – Download all the pictures and filter by width, height, type, create sub folders and more.
Image Toolbar – Provides one click to image actions such as downloading.
Launchy – Enables you to open links and mailtos with the external applications of your choice.
OpenDownload – Adds functions similar to IE’s ‘Open’ and ‘Run’.
PDF Download – Checks every link to see if it is a PDF, if it is, it gives you the option to open it inside or out Firefox, download it to a folder or view it as HTML.
Pterodactl – Saves the largest image on the page, in all tabs, and renames files to keep from having conflicts.
Save As Image – Saves the currently displayed tab as an image creating an instant screenshot.
Save Complete – Aids you in saving complete webpages.
Save Image In Folder – Save images to special folders on your hard drive.
Save Images – Saves images from the current tab’s cache to a specified location.
Save Link In Folder – Save links to special folders on your hard drive.
Screengrab! – Saves the entire web page as an image.
Sourceforge Direct Download – If you frequently download from Sourceforge, this will help you skip the mirror selection step.
ScrapBook – Helps you save portions or entire webpages and then organize them.
TiX Now! – Improves downloading speed from Rapidshare and MegaUpload amongst others.
Amazing Media Browser – Scans a page for embedded media and helps you download the source files.
Download Embedded – Provides the ability to download several forms of media.
Download Helper – Will extract content from many different sites.
UnPlug – Scans a web page for media players and tells you where the media files are stored so you can download them.