By popular request here is some information about free ringtones
Free ringtones come in many formats, older models of phone use keypress, (Nokia)rttl or tones can be added using the phones inbuilt composer. More modern phones are able to take polyphonic midi or mmf format. Many sites claim to offer free ringtones but many impose a charge so beware.
The following sites offer free ringtones
Free Ringtones - www.free-ringtones.uk.com for free ringtones in rttl, composer, keypress, mmf and mid format.