Online tutorials for ADT 3.3 (with downloadable files)

Curtain walls:
http://pointa.autodesk.com/local/enu/portal/Articles/article.jsp?cid=4&articleId=15783
http://www.hagerman.com/newsletters/ebul12b-AEC.htm

Roofs:
http://www.archidigm.com/Coverpage/cover1-03/lounge-set_adt_roof_groups.htm

Changing Object properties:
http://pointa.autodesk.com/local/enu/portal/Articles/article.jsp?articleId=15840

Rendering:
http://www.cadsource.com.au/support/accurender/ar_adt.htm
http://www.archidigm.com/Coverpage/cover4-02/lounge-set_rendering_template.htm

Other online ADT tutorials:
http://www.caddigest.com/subjects/adt/tutorials.htm

Helpful hints for ADT, MSP, and CP4D