At the end I finally found the problem!
I was using the wrong example file.........I'm a stupid noob......
In the example dir are present avr dir and amr dir. I took the files from amr instead of avr......the differences wasnt so big but when the image file is definied, the command is just a little bit different:
for amr: extern unsigned short icon1[0x400];
for avr: extern unsigned int icon1[0x400];
i hope this could help someone has made my mistake 