Here you are, Universal Share Downloader (USDownloader), the Best tool to download several rapidshare links, avoiding to be pending between downloads, you just add the links and start downloading - the app has a feature that import the links stored in Windows' Clipboard, all you have to do is to copy all the links you want to download and add 'em.
Fully configured and ready to work. Just unRAR the file and open USDownloader.exe to start the app.
... and now, here you have CryptLoad, also very easy to use and it'll allow you to download several Megaupload links (one after another) faster than the usual way; the app will enter the right code after several attempts if necessary and start downloading.