Google Desktop Search : IQSoftware

It’s made for search through RSS channel.
How to use:
make ping your RSS line by blogers.com or pingomatic.com;
change in rsssearch.php in var

VAR_SITE_URL

your site name.
After indexing (approximately 1 day ) you can search in yourRSS channel.
For indexing use the service blogsearch.google.com.
You can tuning this script on any other services.
Your support and feedback is always welcome at info@iqsoftware.biz!
This component is released under the GNU/GPL License.
Link for download:
Mambo RSS Search.