display a bg image in table view for iphone -

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i can display bg image in table view cell when click cell there blue color filling cell , images goes behind want show image in front of blue color how that??

cell.backgroundview = [[[uiimageview alloc] initwithimage:[uiimage imagenamed:@"supercell.png"]] autorelease];

maybe can use

cell.selectionstyle = uitableviewcellselectionstylenone;

and 

cell.selectedbackgroundview = [[[uiimageview alloc] initwithimage:[uiimage imagenamed:@"supercell.png"]] autorelease];

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