Content type feature creator
Download all documents from a SharePoint library as a zip file
Print all forms in an InfoPath forms library at once
Create custom list feature - good example
To create a custom list definition follow the steps in the link above. Use solution generator to get the list schema.xml and move the content type section, Fields and ViewFields sections into an exisitng schema.xml.
Efficient way to add a list item in code
MAC state error fix
Create SCORM compliant interactive training with this free software - http://www.courselab.com/db/cle/default.html
Code Access Security - adding trusted dlls to a CAS file
Governance and information architecture training videos
Custom approval workflow example