By default RSS Bandit isn't registered as the handler for the "feed" URI scheme until this feature is enabled. Once this feature is enabled, clicking on URIs such as feed:http://www.25hoursaday.com/weblog/SyndicationService.asmx/GetRss in your browser of choice should launch RSS Bandit's new feed dialog. The screenshot below shows how to do this from the Options dialog.
Future releases of RSS Bandit will have this enabled by default.