I don't know if this of help to anyone - its my effort at making a .sfs file for Skype 4.3 (4.2 doesn't seem to work any more). here is a link
http://www.mediafire.com/download/ay4zf ... recise.sfs
its 35Mb
I created it by unsquashing 4.2 and swapping files with the download from skype website and the re-squashing. it seems to work - well 3 out of the 4 PCs I tried it on
Jonney