Divvycast puts your marketing or advertising materials in front of the 50 million people that exchange files on the P2P Networks each day in legal, malware-protected files. The files are based on Flash to allow the package to play as an executable file on both Mac and Windows. Virtually anything that could go into an application or a web page can be contained in the packages.
Here is an example of a format used by a label to promote several bands: