The Advanced tab in your SSB's preferences offers control over how URLs--links you click on or URLs you manually enter--are handled by your SSB. By default, the SSB is restricted to Web pages in the domain you specified when the SSB was created. Left in this mode, hyperlinks and typed-in URLs outside of the SSB's own domain will open in your default browser. You can disable this behavior, if you wish, and navigate within your SSB to anywhere you'd like. Note, however, that when you quit your SSB, it always remembers the last URL you browsed to, so if you browse away from the SSB's original domain and then quit the SSB, the newly-navigated site will load the next time you launch the SSB. Due to this behavior, I prefer to leave the domain restrictions in place.

The other interesting feature in the SSB's preferences is the Plug-Ins section. Here you'll find three entries, two labeled Browsa, and one called Thumbnail. The Browsa plug-ins let you split your SSB window: for example, you can add a pane on the left and/or the right--the positions can be modified in the preferences--that can be used to browse other sites.

The Thumbnail plug-in controls another unique aspect of Fluid-created SSBs: with certain sites, such as and , you can see thumbnail representations of the links on the current page; these appear in a pane that's located (by default) below the current site's content. You can also, however, use a Cover Flow-like view of these thumbnails, which is actually somewhat cool. A picture is worth a thousand words; click the image here for a full-size view of a Google search with its thumbnails displayed in Cover Flow mode.

Finally, your SSB's preferences also let you create shortcut keys to load certain URLs by typing just a few characters in the URL bar; and you can set preferences for security, tabs, and general features.

Once you've got everything set up the way you want it, just use your SSB as you would if you were viewing the specific Web site in a tab in your normal Web browser. The SSB will remember the size and position of your window between launches, so set it up exactly as you like--using Fluid is a great way to create separate browser windows, with different sizes and positions, for different sites.