MyMPx.org - Wilson (?) Ipod Clone

Hi.
I have recently buy this 2GB fM player Nano clone, this unit work fine for the price but have a very ridiculos menù window.Someone can tell me if esist a right alternative Firmware can change interface?
I have exctract original FW with s1fw program (for try to change skin) and a file call Dump.bin ( 6.165 kb firmware i think) appear at the end of process but when i try to repair this file with REAPAIR.bat like say program s1fw instructions a message say "error:unknow firmare file,repair file failed". Any idea abou alternative skin firmware right for thi player?
here player info:
S1Mp3 Player
productor: Wilson Co. Ltd

Board LSC 91N105
FW Version 9152
CHIP 2555D5EC
HYNIX/SAMSUNG 2048MB (LBF)

Here the Ebay link for player info: http://cgi.ebay.it/2GB-1-8-MP3-MP4-P...QQcmdZViewItem

Sorry for my bad english.