You could try posting a request at cymraeg-L or at Welsh-L

You have to sign up before you can place a request
To subscribe to Welsh language learners' list CYMRAEG-L, send a message to
listproc@lists.missouri.edu
saying: subscribe CYMRAEG-L [your-address your-name] for example: subscribe CYMRAEG-L diana@oseda.missouri.edu Elizabeth Doe

To subscribe to WELSH-L, for discussion IN WELSH/BRETON/CORNISH, send a message to listserv@listserv.hea.ie saying: subscribe WELSH-L [Your Name]

To subscribe to CELTIC-L, Celtic culture discussion list (in English). send a message to listserv@listserv.hea.ie saying: subscribe CELTIC-L [Your Name]

For other Welsh links, see the welcome pages at WElsh=L. The English language version is at http://www.smo.uhi.ac.uk/liosta/welsh-l/welcome.html