Our of curiosity, what version of scalos did you try?
I've been using Scalos V41.6 happily now for quite a while, one of the reasons is that it solved a bug/shortcoming where a wbenchsreen with a background not backdropped and not being the top window, would make the image appear further down then the dafault start position ( i think ). It uses alot more memory tho :S
http://scalos.noname.fr/downloads.php#beta anyway.
