Installation of IMP features via an Eclipse update site is described here.
IMP User's Guide -- in PDF.
LPG Quickstart Guide for IMP Users (additional documentation for LPG can be found on the LPG website at sourceforge.net.)
The IMP Preferences Service and how to develop preference pages for your IMP-based IDE
How to support formatting
in your IMP-based IDE
Not yet available here: A preliminary FAQ is available here. Please ask additional questions so we can make this more complete!