This won't help the original poster unfortunately (they don't cater for his model) buit in case anyone else requires it, this site is for customized
Nokia faceplates.
Link. An altogether different option is customized phone holders (i.e choosing one which matches a mascot)?
Link.
ETA: This next link might only be for Cingular customers?
Link.
ETA2 (after the reply below): I now found this, these people might be able to help?
Link.