color correction,brightness-contrast correction,converting to black-white...
You can not add music to image in Photoshop.
Image Ready was Photoshop plug-in in earlier versions. Photoshop is image editing software.
PSD is native Photoshop Document.
It is view mapper, when you enlarge image in Photoshop, at navigator you can see what part of image you are looking at on your screen.
Adobe Photoshop is a graphics editing program. Image editing program.
You probably mean how to combine images. There are several ways to do that in Photoshop: open 2 images in Photoshop, convert background layer to normal for image nmb. 2 then drag it into window with image 1. Another way is to use File > Place command to import image from hard drive into document with already open image in Photoshop.
A mirror image can be obtained by flipping the image horizontal. All software tools (from Paint to Photoshop) support it.
Photoshop CS3
You can learn graphic design and image editing in Photoshop.
One can use the distort filters menu to distort an image in Photoshop. With the image open in Photoshop and the distort filters menu open, one will be given a selection of effects. Choose an effect, the image wll be previewed for approval and can then be saved.
Curves is adjustment in Photoshop where you can adjust colors and tones in an image.
Adobe PhotoShop is an image editing application. You can get it from:http://www.adobe.com/products/photoshop/photoshop/there it costs $700 USD.