I was googling Gael Linn to find out about the possibilities to improve my Irish and I got the following website which is very good:
http://www.gael-linn.ie/glinn/ir/LearnIrish.aspx but I also found this one which I think is very funny - if I understand it correctly (please explain it, más mian libh) - but my Irish isn't good enough leis an méid sin a thuisint go hiomlán:
http://ormondo-fon.blogspot.com/2009/06/gael-linn.html so there are quite a lot of interesting blogs in Irish ar an idirlíon.
Tá dóchas ann fós!