As is the way with these things, no sooner had we finished writing our thoughts on Christian humour than we came across lots more of it...
A superb (and funny) little book by Doug Wilson, A Serrated Edge: A Brief Defense of Biblical Satire and Trinitarian Skylarking.
It would probably have been useful and amusing to go to this conference, but Texas isn't exactly down the road...
Here are a few sites, some of which we knew about and some of which we didn't. Some are more 'Christian' than others (both in terms of content and origination); some are better than others (both in terms of laughability and good taste)...
The Brick Testament
Ship of Fools
The Wittenburg Door
Credenda/Agenda
And if you remember a certain row caused by certain cartoons from a certain Scandinavian country, you might enjoy this. Oh yes.