Picasa for Mac
System Requirements:
* Mac OS X 10.4.9+
* Intel CPU
* 256MB RAM
* 100MB available hard disk space
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Picasa for Linux (beta)
System Requirements:
* Linux system with x86-compatible processor
* Glibc 2.3.2 or greater, and a working X11 display system
* 256MB RAM
* 100MB available hard disk space
* Desktop Integration features require a current version of Gnome or KDE.
* Downloading from Picasa Web Albums requires a Mozilla-based browser like Firefox.
download link
