a layer pallete its area of ur objets
F7 to show/hide LAYERS palette.
Double click its thumbnail in Layers palette or go to Layer > Layer Style > Color Overlay.
You can save thumbnail preview with image in Save or Save As dialog. Thumbnails in LAYERS palette you can choose thumbnail options from LAYERS panel options (top right corner of LAYERS palette > Panel Options).
opacity slider on layers palette
Select that layer (click on it on LAYERS palette) where is something You want to add glow effect then click on fx at bottom of LAYERS palette and choose Outer glow effect (or Inner).
Prior to CS4, panels were referred to as palettes. A panel or palette is a box (usually located on the right hand side of the screen, but moveable) that allows you to change options associated with a Photoshop feature. For example, the layers panel or palette is used to manipulate layers; the character panel or palette is used to manipulate text.
Select layer You want to transform (click on it at LAYERS palette) then press Ctrl + T.
It is palette where are stored all layers you have in document, on this palette you have options to change opacity of layer (right upper corner of palette, slider opacity) or layer blending option (left upper corner - drop down list) at bottom of palette you have more options through small icons like add drop shadow, make new layer, group layers to organize them or delete layer pressing wastebasket icon.
to white?you mean to transparent?look for opacity slider on Layers palette and lower opacity
Use Transparency slider in LAYERS palette.
i think it is because the palette isn't fixed in position. you have it floating around so when you minimise the window it automatically disappears. I had this problem, i just grabbed the palette by the top bar and moved it over the channels palette (the bar has to be on top of the channels bar) and then it snatched into place
Using blend modes. Blend modes U can access from top of LAYERS palette for example