hmmm.....why you need such a site.
you have a pc you have a cell-phone, so you only need a cable or a ir-sensor (depends on you phone).
than you can make (load to your phone) ringtones, logos and all that stuff by yourself.
I use a prg. called nokialogomanager.
got question, let me know
website for logomanager
http://www.logomanager.co.uk