Two of my more recent papers are available here.
The Structure of Pleasant Ideals has appreared in the Notre Dame Journal of Formal Logic (Volume 35, Number 2, Spring 1994, pp.292-298). A .pdf file.
Filter games on $\omega$ and the dual ideal, joint work with Claude Laflamme of the University of Calgary, Fundamenta Mathematicae, vol. 173, no. 2 (2002), pp. 159Ð173. This is a .pdf file.