This version of 3.19a is for SMF 1.1 beta 3, beta 4 and RC1: http://mamboforge.net/frs/download.php/6471/MOS_SMF_BRIDGEv3.19a_SMF1.1b3.zip Version 1.1.5 (also known as 3.20) is for SMF 1.1 RC2 and is available here: http://www.simplemachines.org/community