From July 02 2008
Free users can download without limits from rapidshare.com (do not have to wait anymore), upload and download bigger files (up to 200 megabyte):
Step1: Paste your rapidshare link to Address bar & Press "Free" button
Step2: Click to "Download" button
If your IDM not detect, you can View Page Source to get link.
If your IDM not Enable, check your Add-ons of Firefox: