Overflows Tutorial for OpenTTD (part 1)

Introduction guide to overflows for OpenTTD V453000's Advanced Building Revue: Overflows I: http://blog.openttdcoop.org/2010/04/26/advanced-building-revue-04-overflows/ Overflows II: http://blog.openttdcoop.org/2010/11/07/advanced-building-revue-08-overflows-ii/ Overflows III: http://blog.openttdcoop.org/2012/06/28/advanced-building-revue-12-overflows-iii/ Music by boxboys: https://boxboys.bandcamp.com/album/together https://boxboys.bandcamp.com/track/p-i-x-e-l-2