Motorola E815 / E816 Hollywood

Ok having some problems here . I put the card in the tf card reader i tranfer pictures that i have on my computer to the motorola file ,then to the shared folder . When i open the file they show up on my computer but when i put in in the phone they show up as a x . Also i sent some animated stuff the same way and said they were dicrupeted or something . Im doing something wrong it worked perfect with the 8100 but gave that back for allot of reasons any help would be great