The Smart V8 has a microSD memory card reader. If your personal computer can also read that card type (Most notebooks are so-equipped), you should be able to save music files
The Vodafone Smart V8 is an Android phone and there are plenty of free ringtone apps such as MP3 Cutter, Zedge and more.
The Vodafone Smart V8 is Bluetooth-compatible. Bluetooth is a wireless system which lets you connect your cell phone to other Bluetooth-enabled devices. If your computer is also Bluetooth-enabled, simply establish a connection between both devices and transfer any music file from your computer to your Vodafone Smart V8.
More on free ringtones
Here are links to some of the 100% free ringtones (Vodafone Smart V8-compatible) offered here at MartinsRingtones.com:
Free 'Unclassified' Ringtones Free Tropical Ringtones Free Ringtones-a-gogo Free Techno Ringtones Listen To All Our Free Polyphonic Ringtones