A quick question

I have been wanting to use a picture as a link to my website and have it in my signiture.... I know its possible but i do not know what code to use to do so.

I just want this:

To link to this:
www.freewebs.com/triple_7
And place it down in my sig
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I just want this:

To link to this:
www.freewebs.com/triple_7
And place it down in my sig
|
|
\ /