[SOLVED] make button with link

Hi!

I am new here
I am sorry because this question seems easy, but I don't know how do it.
I need a field to put a link of wikipedia and I want display only a image of wikilogo to link. Like a button to link to url.
I'm lost with so many options

Please, can you say how do it or tutorial... to do it.

Thanks

create a text field
use prefix to put <a href="
prefix " target....><img src="urlofyourimage" ...>

Thank you micker!

This is good for internal url: namedomain/ (adress)
but I would external url: (otherdomain/adress)

Can you help me please?

change url of image for http://.....url simply

The image go fine with http://...
The problem is the url of link.
If I put "omelette" the button send to http://namedomain/omelett
If I put http://namedomain... don't save url, the field is cleaned.

Thanks

simply copie image in you domaine and do a relative url (hotlink image wasn't a good solution)