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I just got word that Adobe will offer a sneak peek of new Photoshop technology at Photoshop World in Las Vegas next week. John Loiacono, senior vp of Adobe's Creative Solutions Business unit, will give Photoshop World attendees a glimpse of what's to come in Photoshop in his keynote address on September 7.

Photoshop World is a huge party and the premiere Photoshop educational event, now in its seventh rockin' year. This time the conference is  September 7-9 at the Mandalay Bay Conference Center in Las Vegas. I'll be speaking at the Peachpit Press booth in the Photoshop World Tech Expo at 10:00 a.m. on Friday morning. If you're going, let us know by adding a comment below.

Shooting a scene with lots of sky often results in a photo with a dark foreground. If you carry a graduated neutral density lens filter in your camera bag, you can use it in the field to even out exposure. But if you don’t have that filter, or you forget to put it on your camera, no worries. You can simulate the effect of a graduated neutral density filter in Photoshop with a black to white gradient on an adjustment layer.

Windows users of Photoshop CS2 can head over to the Adobe site for a free download of Photoshop update 9.0.2. This update includes the following fixes:

- Menus now respond correctly after a single click.
- Undo/Redo work properly when multiple documents are open.
- Photoshop no longer produces a program error when encountering unsupported file types through the Acrobat Touchup workflow.
- Supported files that incorrectly produced an "unsupported color space" message now open as expected.
- TIFF files with layer data greater than 2GB now open correctly.

9.0.2 also includes fixes in the previous update 9.0.1, so there's no need to download both updates. Adobe expects to release a Mac version of 9.0.2 shortly. Apparently there was a glitch in the Mac version that Adobe posted prematurely last week and has since removed from its download page.

Combine multiple photographs into a composite image using layer masks. You'll learn how to size photos to match using Free Transform, how to flip a photo, and how to use layer masks to blend multiple photos into one realistic looking composite.

The Auto Select Layer feature in Photoshop comes in handy when you have lots of layers, but watch out for some gotcha's when you use this feature. Learn all about Auto Select Layer in this episode.

Did you know you can copy a layer mask between layers? I'll show you how to use this technique to limit the area affected by multiple adjustment layers.