Hi Dhondu
Fro mamy mail Account Yahoo , Hotmail, REdiff you can send MMS to your Cell Phone
unfortunately this serveice dosent work effieciently sometimes it wil deliever and Sometimes it WONT more often it wont
so try out your luck and do the following things
from your mail account send mail to 91**********@mms.ricmail.com
where ********** is your 10 digit rim no
once u reciece a MMS succesfully all you have to do is open it and then from the options select Save Image it will prompt u to name the Pic and save it to your My Media
Now go to your camers menu and select the 8th option My Media
then select Image and from the immage brows to the pic u want to set as wallpaper view that pic first and then use the set as option and WAlpapre to achieve your goal
i think it is illustratieve enough to answer your question