how do you batch stamping photos in Mac?

[sGu]

Hi, i'm looking for a way to put a name stamp on my photos in Mac using photoshop cs, i've found a couple of program does it but only available to pc.

any advice?

[sGu]

right, i've figured out the way to create action to add copyright stamp, but there is new problem.

when i apply action to a new image, they are not located in the same area of the image, rather appear randomly on the photo.

any idea why it is happening?

also, whereabout on a photo is more suitable to stamp copyright info on?

thanks folks