Do you mean manually switch profiles at launch, profile-specific desktop shortcuts, or is there a way to permanently set up different FF versions to use separate profiles?

Then you can right-click on the Startup folder in the Programs list, select Open and drag your new desktop shortcut into the opened Startup folder window.

Flexible desktop shortcuts to start UNIX programs remotely (with direct import settings of previously installed X servers)

New versions do not require elevated privileges, uninstall properly, and the program is visible via a desktop shortcut.

Shortcut Fixer: Corrects the errors in the start menu and desktop shortcuts.

They are launched using the Start Menu or desktop shortcuts, and run without the browser window.

Ms. Sandlin is so devoted to her browser that she has taped a note to her monitor warning guests not to click on the desktop shortcut to Internet Explorer.

Chrome allows users to make local desktop shortcuts that open web applications in the browser.

Q. Are desktop shortcuts and alias files the same thing?

You may also want to consider making desktop shortcuts for them or loading them into your Startup items area so they are ready to go when you boot your computer.