Folks often come to the list asking for Art/Technology lesson ideas.
Topic just came up on Art Education list a week or so ago.
Lotte Petricone has some nice ideas on her site:
http://www.ccsd.edu/ffms/Art/graphic_art.htm
See student work - http://www.ccsd.edu/ffms/Art/student_work1.htm
Self Portraits combine scanned in contour drawing from observation
with images expressing "self" (from scanned or found images).- a
digital "collage".
The Op Art Lesson also provided some interesting results.