Crop Tool (C)
The Crop Tool works similarly to the Rectangular Marquee tool (see above
if you have no short-term memory). The difference is when you press the
[Enter/Return] key, it crops your image to the size of the box. Any
information that was on the outside of the box is now gone. Not
permanently, you can still undo.
Horizontal Type Tool (T)
It makes type. Or text. Or whatever you want to call it. You can click a
single point, and start typing right away. Or you can click and drag to
make a bounding box of where your text/type goes. There’s a lot of
options for the Type Tool. Just play around, it’s fairly
Zoom Tool (Z)
Pretty obvious what this tool does. It allows you to zoom into your
image. Don’t be dumb, it doesn’t actually change the size of your image.
Hold the [Alt] key to zoom out. Holding the [Shift] key will zoom all
of the windows you have open at the same time. Double-click on the Zoom
Tool in the palette to go back to 100% view.
Rotate Tool (R)
Make sure this image has a layer that has a shape or object you want to rotate,Upon clicking 'R',the image is rotate through it's center.
Image Blending (I)
Blend two or more images in to background image such that their layers are blended into eachother