Photoshop :: Create Webpage Layout?

1.first create a image in PS? must flatter the image ?

2.slice it in imageready?

3.output the sliced image to where? dreamweaver?

4. how to add text or something else into the sliced image?

5. when you get start to create a image in PS, what size is it
usually used ? and dpi?

6.how to make a rollover effect on slice image in imageready?

7.what program do you use for webpage design? like this "teamphotoshop.com" site, PS, imageready,and what else?

create image in PS, sliced it in imageready, then edit html code in dreamweaver?