You can now use proxy in Vuze which is one of the best way to download torrents. This will help you get better speed with added anonymity.
1. Open Vuze and click on Tools and then press Options
2. Go "Proxy" option under the "Connections" tab, make sure you are using Vuze under "Advanced" mode
3. Check "Enable proxying of tracker communication" and "I have a SOCKS proxy" and enter the following details:
Host: The LimeVPN server that you wish to connect to. You can check the list from LimeVPN servers
Username: LimeVPN username
Password: LimeVPN Password
4. Click on “Test SOCKS” to check if it connected