Adobe Flash Player 10.1 RC is now available as a prerelease. This version does not require the medialib dependency and should work on its own after installation. You can find it at the Adobe Labs site.
x86
$ wget http://download.macromedia.com/pub/labs/ flashplayer10/flashplayer10_1_rc1_solaris_x86_0 61010.tar.bz2 $ bzip2 -d flashplayer10_1_rc1_solaris_x86_061010.tar.bz2 $ tar xvf flashplayer10_1_rc1_solaris_x86_061010.tar $ mkdir -p ~/.mozilla/plugins/ $ mv flash_player_solaris_10_1_53_64_x86/libflashplayer.so ~/.mozilla/plugins/ OR $ pfexec mv flash_player_solaris_10_1_53_64_x86/ libflashplayer.so /usr/lib/firefox/plugins/SPARC
$ wget http://download.macromedia.com/pub/labs/ flashplayer10/flashplayer10_1_rc1_solaris_sparc_ 061010.tar.bz2 Follow x86 directions above
10:02 PST - June 11, 2010