On Monday, I showed how to use Lightroom to do online proofing, and I had a reader ask if there’s a way to watermark the images. It’s not part of the online proofing feature per se, but there is a workaround for Lightroom Classic so the images you post as proof will have your watermark. Here’s how in just three steps: STEP ONE: Select the images you want to post as proofs, and then go under LIghtroom’s File Menu and choose Export. When the Export window appears, turn on the checkbox for “Watermark” and the choose your watermark (if you saved one already), or choose Edit Watermarks to add a custom one (using a graphic, like your logo), or a text...