LINK TO LIST OF RESOLUTIONS PASSED AND INTRODUCED AROUND THE COUNTRY
Here is a two-page citizen's guide to impeachment.
Here is a 10-page PDF booklet called A Guide to the Impeachment of George W Bush and Richard Cheney. It includes: What Is Impeachment? / Grounds for Impeachment of Bush and Cheney / Legal Basis for city and State Impeachment Resolutions / Why Cities and States Should Pass Resolutions / Model Resolution.
This guide to passing an anti-war resolution is a good model in most details for passing a pro-impeachment resolution as well.
Model Impeachment Resolution for City, Town, County, or State
Sample letter to city or town council.
About Jefferson Manual, Rules, History, Grounds, Impeachable Offenses, and further legal precedents