how to add logo to lots of pics

[mcgee9t2]

been told i can do this to lots of pics at once using lightroom? got the trial version of it, however cant work out how to do it so any help appreciated? if not is there a way in photoshop i can do it

[thatwillis]

When you export all your photos. There is a tick box to select in the window that pops up. Thats says watermark. You then want to add a new watermark. Have a play =]