An excellent source for tunes on youtube, fiddle4u:
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Tin Whistle Tunes
Tin Whistle Christmas Songs
Easy Tin Whistle Tunes
Irish Flute Tunes
Originally from Athlone in County Roscommon, Stephen Ducke now lives in a small village in the French Alps with his family. He is author of a tin whistle tutor book entitled "Tin Whistle - A Complete Guide to Playing Irish Traditional Music on the Whistle" and runs Irish music classes and workshops with Tradschool in France. He has recorded one solo album, "If There Weren't Any Women In The World".