The Web is all about innovation, and Firefox sets the pace with dozens of new features to deliver a faster, more secure and customizable Web browsing experience for all.
User Experience:-
 The enhancements to Firefox provide the best possible browsing experience on the Web. The new Firefox smart location bar, affectionately known as the "Awesome Bar," learns as people use it, adapting to user preferences and offering better fitting matches over time.
Performance:-
 Firefox is built on top of the powerful new Gecko platform, resulting in a safer, easier to use and more personal product.
Security:-
 Firefox raises the bar for security. The new malware and phishing protection helps protect from viruses, worms, trojans and spyware to keep people safe on the Web.
Customization:-

Everyone uses the Web differently, and Firefox lets users customize their browser with more than 5,000 add-ons.

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VLC media player is a highly portable multimedia player for various audio and video formats as well as DVDs, VCDs, and various streaming protocols without external codec or program.
It can also be used as a server to stream in unicast or multicast in IPv4 or IPv6 on a high-bandwidth network.
VLC can play:

• MPEG-1, MPEG-2 and MPEG-4 / DivX files from a hard disk, a CD-ROM drive, and so on
• DVDs, VCDs, and Audio CDs
• From satellite cards (DVB-S)
• Several types of network streams: UDP/RTP Unicast, UDP/RTP Multicast, HTTP, RTSP, MMS, etc.
• From acquisition or encoding cards (on GNU/Linux and Windows only)

Details of the Picasa software..

Picasa is the product Gooogle and It needed 14.27MB (14,960,968 bytes) size on the disk..
Picasa is software that helps you instantly find, edit and share all the pictures on your PC. Every time you open Picasa, it automatically locates all your pictures (even ones you forgot you had) and sorts them into visual albums organized by date with folder names you will recognize. You can drag and drop to arrange your albums and make labels to create new groups. Picasa makes sure your pictures are always organized.
Picasa also makes advanced editing simple by putting one-click fixes and powerful effects at your fingertips. And Picasa makes it a snap to share your pictures, you can email, print photos home, make gift CDs, instantly share your images and albums, and even post pictures on your own blog.
The latest version includes Web Albums (along with other improvements), but requires that you request an account from Google.