Wait a sec...Dog farts?...
Is this the movie that I seen as a kid where a dog walks into some building like a church over a swamp and the dog farts and everyone in the building jumps out the windows?
Is there a scene like this in the movie?
Yes, that's from this movie.
Not that I would tell anyone to do this but IF you were to look up soggy bottom usa on google, then click on the video section you might see a short 3 minute clip from the movie with the web addy at the start.
IF you were to go to that web addy and look for this movie you MAY see that they offer the full movie free to watch online.