Xml photo gallery resize picture AS

hi, im currently creating an xml photo gallery and i am guys could help me out on how will i be able to manipulate the size dimension of a picture once i load it in my movieclip container.

i have a 800x600 photo and once i load it in my photo gallery in flash using xml the photo dimension would change to 400x300.

i have everything worked out except the photo resizing feature.

im hoping for some responses on this thread of mine… and thanks in advance.