Here are how to do all the current missions that are out so far. Some include video walkthroughs as well. Others might include pictutorials.
Secret Agent Guide Missions 1 and 2:
http://watex.wordpress.com/2007/02/13/how-to-be-a-secret-agent/
Secret Agent Guide Mission 3:
http://watex.wordpress.com/2007/03/27/case-of-the-missing-coins-secret-agent-guide-3/
Secret Agent Guide Mission 4:
http://watex.wordpress.com/2007/08/07/mission-4-guide/
Secret Agent Guide Mission 5:
http://watex.wordpress.com/2007/11/06/mission-5-secret-of-the-fur-mission-guide/
Secret Agent Mission 6 Walkthrough:
http://watex.wordpress.com/2008/01/22/secret-agent-mission-6-guide/
