it must be under 100kb's u siimple cvlick the browse, locate it in your hd. than click upload next the browse. wait a bit then the screen will refresh.
u then go back down to the browse bit at your picture will be located by its name under the brose button. u then simp[ly click add to message. and it will do so.
open the pic in paint, click IMAGE at the top, then STRETCH/SKEW, then type in a smaller percentage, just make sure both figures u type in are the same otherwise the pic will b all warped! Just keep doin dat till its the right size! also, save it as a JPEG file