http://www.waterfordcountyimages.org/exhibit/web?task=DisplayPrintableImage&displayimage=1&enc_id=K0tOUc800MSws
Does this 'dolmen' on the top right look familiar to you FW's?
I have heard of St Declan's Stone at Ardmore, but not been to it, although I have been to Ardmore. Lovely church & round tower.