How do I change the homepage?

how to change the name in the homepage in yahoo where it says hi the name

How do I change my email from uk to usa. I was given uk but I live in the usa

What do I have to do to change the parental settings on my computer so I can set up another email account? How do I change it?

Can you change your username on youtube?? How?

Can I change my aol screename without signing up for a new screename?

How do you change the size of the pics on bebo to make a skin on bebo?? xx comments

how do you change the color of the font for a myspace bulletinnn???

Ok on myspace right how do you change your display name?? I forgot

I understand that sometimes google will change its image depending on an event going on, or whatever. but does anyone know wh...

Im having difficulties...I just can't seem to figure out how to change my profile pic on myspace???