I want to hook up my ethernet to my t.v but I have a wireless router to can I do that if so can you tell me and a easy way to do it?

To what end? Are you wanting to do IPTV? Or do you want to be able to digitally record your programs? Browse the Internet on your TV?

Unless you are in one of the IPTV pilot areas and have high bandwidth broadband access, IPTV is out.

You can add a card into your PC or a USB attached device that will allow you to receive your cable or satellite signal for recording or display (there is a difference between the analog and HDTV devices). If you have a HDTV with PC inputs, you can also substitute your PC display for your TV or even better, if your video card support dual monitor display, use both.

Your PC will handle the wireless Internet connection. If you want to surf the Internet, you can further extend your capabilities by purchasing a wirless keyboard and mouse. Make sure your mouse is a Gyro mouse so that it can be used without a mouse pad or other hard surface. The Gyro senses your motions up and down and side to side.

So, lets recap:
Connect the PC to your wireless Internet
Connect your PC to the cable/sattelite receiver so that it will act as a DVR
Connect your TV to the PC so that it will be your primary or secondary monitor
Connect a wireless keyboard and Gyro mouse for complete mobility

Surf and record onward.

To what end? Are you wanting to do IPTV? Or do you want to be able to digitally record your programs? Browse the Internet on your TV?

Unless you are in one of the IPTV pilot areas and have high bandwidth broadband access, IPTV is out.

You can add a card into your PC or a USB attached device that will allow you to receive your cable or satelite signal for recording or display (there is a difference between the analog and HDTV devices). If you have a HDTV with PC inputs, you can also substitute your PC display for your TV or even better, if your video card support dual monitor display, use both.

Your PC will handle the wireless Internet connection. If you want to surf the Internet, you can further extend your capabilities by purchasing a wirless keyboard and mouse. Make sure your mouse is a Gyro mouse so that it can be used without a mouse pad or other hard surface. The Gyro senses your motions up and down and side to side.

So, lets recap:
Connect the PC to your wireless Internet
Connect your PC to the cable/sattelite receiver so that it will act as a DVR
Connect your TV to the PC so that it will be your primary or secondary monitor
Connect a wireless keyboard and Gyro mouse for complete mobility

Surf and record onward.
I have a wirelesw keyboard and mouse can it not be easier to just hook my internet to my TV it won't work?

Not unless your TV has a builtin computer with a browser that can be used to surf the Internet. Your TV would have to include a network connection that can be used for the communications part and the computer is what would process these comunications in a form that you can work with.