I just watched Sacred Craft, a talk by Fr. Brendan McAnerney, OP, a Dominican priest with bi-ritual faculties (Roman and Melkite), on EWTN. His aptly named ministry is Domin-ICON. His website gives some of the basics of iconography: its spirituality and methodology, as does the video (which is available on DVD from his website or the EWTN Religious Catalogue).
This is Fr. McAnerney’s icon of St. Gabriel: