You can not add music to image in Photoshop.
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.
Meta tags are words which describes closely your image and can help other people to find your image on Interenet or to help you to find image on your computer. To add meta tags go to File > File Info 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.
Filters are certain effects that you can add to your image. For example, you can use a liquify filter to give the image a watery effect. You can also use a blur filter to blur out the image. For further help on filters, click on the Help button in Photoshop.
A mirror image can be obtained by flipping the image horizontal. All software tools (from Paint to Photoshop) support it.
Photoshop CS3
Photoshop is software, most popular in image editing.
First you have to render the image of yourself from the background, usually using the pen tool. Then you save the image as a PNG file so the transparency remains. Then you add the rendered image into the other photo and there you have it
You can learn graphic design and image editing in Photoshop.