bluetooth from nokia n73 to macbook

hey all
can anyone please help
im trying to send photos from my nokia n73 to my macbook i have turned bluetooth on, paired the devices, ticked bluetooth sharing option under internet and network. but when i try send the photo it says unable to send unsupported device. my girl friend has a macbook about 2 years old but the same model and i have no problem bluetoothing photos to it both macbook notebooks are model number a1181 also usb cored same problem.