[SWFObject] ExpressInstall .. integrate class vs. separate swf?

[DL]

This earlier blog discusses ExpressInstall ..

http://blog.deconcept.com/2005/08/13/using-flash-player-express-
install-with-flashobject/

There is some debate in the blog on whether to use the recommended 
approach of adding Expressinstall class to frame 1 in existing *.fla.  Or 
to compile ExpressInstall into a separate swf which has the sole 
purpose of sniffing Flash version and updating.

Just an observation .. the recommended integrated approach (class 
placed in frame 1) may be fine if you are using Adobe/MM Flash 
Editor, which has a frame timeline.

But .. open source compilers such as http://www.openlaszlo.org 
(which I use) do not have a conventional  timeline (to allow a frame 1 
to include the ExpressInstall class).  Frame 1 cannot be added.

So it seems that the solution in this opensource compiler environment 
is to compile a pre-loader swf - a Flash sniffer (using ExpressInstall 
class) - which launches before the main movie (not containing 
ExpressInstall class).

Is this correct?  Is there a standalone Expressinstall.swf movie 
somewhere?

DL