You can use RSS Submitter to submit your rss files in only 2 steps.
Step 1: Prepare The RSS Information
Click Select... item in Information menu to open Items dialog box.
Click Add... button to open Information dialog box.
Set some items in the dialog box and click OK button. Select an item and click OK button in Items dialog box.
Step 2: Submit Your RSS File
To submit your rss file, just click the site name in the list. The submitting page will open in the browser and the rss information will be filled automatically. Just check the items and click the submitting button.