You can find help with Germans in the Lipno region at http://www.sggee.org
. Lots of free stuff available there including links to available microfilmed church records, photos of the Lipno region, and a mailing list for which subscription is free. A site search for Bogpomoz yields 7 hits (some duplicated because they are from message threads). Access to extractions and other databases requires membership. Several members have done extensive research in the area.
Note that the Lipno region was in Russian Poland and not Pomerania.