Bitmapping

its me…again. well a new problem has now occured ;( i have a like magazine cover i want to add to my booklet i have made. i took the size of the model and then i made the cover, when i load it in i goto setup/materials then i click bitmap then add new material. when i do all that and the setup stuff and i add it too my box it is like…not what i made but in the preview it looks right but is wrapped around those funky shapes. is there something i need to do to put my image directly on the model?