Lightspark, an alternative flash player

The first release can­di­date of Lightspark 0.4.3 has been published. Source tar­balls are avail­able as usual from launch­pad. Pre­build pack­ages for Ubuntu Lucid and Mav­er­ick are avail­able from the PPA
The new fea­tures in this release are:

Faster ren­der­ing
Reduced mem­ory consumption
Sup­port for H263/MP3 video (using FFm­peg)
Smoother audio and video playback

Be sure to try this out and report bugs in launch­pad and the irc chan­nel (irc://irc.freenode.org/lightspark).

Here are the ppa details for lucid:

deb http://ppa.launchpad.net/sssup/sssup-ppa/ubuntu lucid main
deb-src http://ppa.launchpad.net/sssup/sssup-ppa/ubuntu lucid main