vicko, You may be better off using version 3.68 for a 1.5 screen.
http://www.mympxplayer.org/amv-conve...-mb-df327.html
You may also need to install some codecs, I suggest the K-Lite Mega Codec Pack.
http://www.free-codecs.com/download_...hp?d=2369&s=42
It is not possible to change the audio bitrate but you should be able to change the other settings with 3.68.