A Dominique, a chara,
Your choice of 'leprechaund' in the above may have kept people from jumping in to answer you until now.
Tá fáilte romhat chun na Gaeilge.
Welcome to Irish.
This should lead you to a lot of information. http://www.smo.uhi.ac.uk/gaeilge/gaeilge.html
Check out a lot on the matter of learning / Foghlaim.
This site here and others like it, you shall find helpful.
Welcome aboard. Tá fáilte romhat.