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The following two posts are taken from the Photoshop Tutorials. I am not too sure about the copyright issues here, but I am assuming that everyone reading any of this will own a copy of Photoshop. Help and tutorials are available to all of us who have Photoshop - I think maybe its just as I found with computer lessons I gave, that many people don't use the help files enough! Probably overwhelmed them when they were just learning - so therefore I don't think the copyright thing in this case is a big deal. Also, if I tried to write something like this - my words would fall far short of the way it is written below:

"WHAT IS MASKING:

Masks let you isolate and protect areas of an image as you apply color changes, filters, or other effects to the rest of the image. When you select part of an image, the area that is not selected is "masked" or protected from editing. You can also use masks for complex image editing such as gradually applying color or filter effects to an image.
In addition, masks let you save and reuse time-consuming selections as alpha channels. (Alpha channels can be converted to selections and then used for image editing.) Because masks are stored as 8-bit grayscale channels, you can refine and edit them using the full array of painting and editing tools.
When a mask channel is selected in the Channels palette, foreground and background colors appear as grayscale values. (See Creating temporary masks in Quick Mask mode (Photoshop).)



Examples of masks: A. Opaque mask used to protect the background and color the shell B. Opaque mask used to protect the shell and color the background C. Semitransparent mask used to color the background and part of the shell
In Photoshop, you can create masks, all stored at least temporarily as grayscale channels, in the following ways:

Quick Mask mode lets you create and view a temporary mask for an image. Temporary masks are useful when you don't want to save the mask for later use. (See Creating temporary masks in Quick Mask mode (Photoshop) below.)
Alpha channels let you save and load a selection to be used as a mask. (See Storing masks in alpha channels.)
Layer masks and vector masks let you produce a mix of soft and hard masking edges on the same layer. By making changes to the layer mask or the vector masks, you can apply a variety of special effects. (See Masking layers.)

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You don't take a picture - you make a picture - Ansel Adams
http://annesgallery.aminus3.com

Creating temporary masks in Quick Mask mode (Photoshop)
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Quick Mask mode lets you edit any selection as a mask without using the Channels palette and while viewing your image. The advantage of editing your selection as a mask is that you can use almost any Photoshop tool or filter to modify the mask. For example, if you create a rectangular selection with the marquee tool, you can enter Quick Mask mode and use the paintbrush to extend or contract the selection, or you can use a filter to distort the edges of the selection. You can also use selection tools, because the quick mask is not a selection.
Start with a selected area and use Quick Mask mode to add to or subtract from it to make the mask. Alternatively, create the mask entirely in Quick Mask mode. Color differentiates the protected and unprotected areas. When you leave Quick Mask mode, the unprotected areas become a selection.
A temporary Quick Mask channel appears in the Channels palette while you work in Quick Mask mode. However, you do all mask editing in the image window.
To create a temporary mask:

1. Using any selection tool, select the part of the image you want to change.
2. Click the Quick Mask mode button


Selected area, and Quick Mask mode applied


A color overlay (similar to a rubylith) covers and protects the area outside the selection. The original selection is left unprotected by this mask. By default, Quick Mask mode colors the protected area using a red, 50% opaque overlay.
3. To edit the mask, select a painting or editing tool from the toolbox, or select a filter or adjustment command from the menu bar. By default, painting with black adds to the mask, shrinking the selection. Painting with white removes areas from the mask, expanding the selection. Painting with gray or another color creates a semitransparent area, useful for feathering or anti-aliased effects.
4. Click the Standard mode button in the toolbox to turn off the quick mask and return to your original image. A selection border now surrounds the unprotected area of the quick mask.
If a feathered mask is converted to a selection, the boundary line runs halfway between the black pixels and the white pixels of the mask gradient. The selection boundary indicates the pixels transition from being less than 50% selected to more than 50% selected.
5. Apply the desired changes to the image. Changes affect only the selected area.
6. Choose Select > Deselect to deselect the selection, or save the selection.

To change the Quick Mask options:
1. Double-click the Quick Mask mode button in the toolbox.
2. Choose from the following display options:
• Masked Areas to have masked areas appear black (opaque) and to have selected areas appear white (transparent). Painting with black increases the masked area; painting with white increases the selected area.
With this option, the Quick Mask button in the toolbox appears as a white circle on a gray background .
• Selected Areas to have masked areas appear white (transparent) and to have selected areas appear black (opaque). Painting with white increases the masked area; painting with black increases the selected area.
With this option, the Quick Mask button in the toolbox appears as a gray circle on a white background .
To toggle between the Masked Areas and Selected Areas options for quick masks, Alt-click (Windows) or Option-click (Mac OS) the Quick Mask mode button.
3. To choose a new mask color, click the color box, and choose a new color. (See Using the Adobe Color Picker.)
4. To change the opacity, enter a value between 0% and 100%.
Both the color and opacity settings affect only the appearance of the mask and have no effect on how underlying areas are protected. Changing these settings may make the mask more easily visible against the colors in the image.
You can convert this temporary mask to a permanent alpha channel by switching to standard mode and choosing Select > Save.

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You don't take a picture - you make a picture - Ansel Adams
http://annesgallery.aminus3.com

Sweet! Thanks alot! That helps! My Photoshop came with my laptop and sends me to the internet when I click on it....LoL my kind of luck I guess.

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PhotoDaniels Gallery
PhotoDaniels PhoBlography