sony ericsson java phones are highly customizable..we can put various themes of our choice and with themes there is also a option of flash menus..these menus looks very good and have unique icons for every theme...
and i have sony ericsson c905 phone
in which i have loaded many flash menus
you also can load flash menus using a2 uploader
we put these flash menus in tpa>preset>system>desktop> flash
but be carefull as this is a flashing process and may harm your device
i will not be responsible for any damage caused to your device