hey
i am wanting to do some compositing. i hade my model and used backgroud shader ect. rendered it and the alpha channel is there so there is the model and its shaddow. i have saved it as a targa and boght it into photoshop. BUT under channels it does not have an alpha channel it have RGB, Blue,Red,Green so i am stuck
ne ideas y there is no alpha cos i know it hould be there as i am following the digital tutors free composite tut.

thanks in advanced