Fred Meier (SQLitening project) has uploaded a collection of wrapper routines to create and retreive compressed data files in the standard Zip format using ZLib.Dll. It is available here:
http://www.sqlitening.com/support/index.php?topic=3234.msg16506#msg16506 (http://www.sqlitening.com/support/index.php?topic=3234.msg16506#msg16506)
Thanks for the link Rolf!
David