3delamadrugada on "custom footer."

hello,

after 55 minutes of searching I´ve not been able to know the css code for customizing the footer.
I just want to add

© david fernández powered by wordpress twenty ten theme

but making dissapear the wordpress icon. like this blog http://www.tea-tron.com/sismo/blog/

I know I can add this with a text widget, but I don´t want the wordpress icon downthere.

until I find how I just have erased it with the

#footer {
display:none;
}

thank you a lot. I´ve try to search it. I swear.