Peelr is a simple app that will automatically Unzip any zip files in the SafariDL Downloads directory, or the Peelr folder when Launched. Zip files are deleted aftwerards for cleanup.
All files are Unzipped to: /var/mobile/peelr
If you download a Zip file through iShare, save it to /var/mobile/peelr so that Peelr can Unzip it for you.