LifeHacker has named their Top Ten Youtube Hacks. Number One is tips on downloading videos right off the site:If you want to stash a YouTube clip away for editing or watching without the net, you’ve definitely got options. Internet Explorer users might appreciate YouTube File Hack, which grabs FLV files for you. The Better YouTube Firefox extension, crafted by our own site editor, adds a simple “Download this video” link to any YouTube page, and the All-In-One Video Bookmarklet is a nice cross-browser conversion tool.