Hidding "powered by" branding with CSS

Google custom search box:

.gsc-branding-img-noclear, .gsc-branding-text /*, .gsc-search-button*/ {
display:none!important; visibility: hidden!important;}

http://code.google.com/apis/customsearch/docs/ui.html

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Google translate element Gadget (Translate drop down box)

after the java script insert:

<style>
.goog-logo-link,.goog-logo-link:link,.goog-logo-link:visited,.goog-logo-link:hover,.goog-logo-link:active{display:none!important;visibility:hidden!important;}.goog-te-gadget{color:transparent;}
</style>

http://drupal.org/node/866030

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Twitter:
.footer-nav, #footer, #profilebox {display:none;}

http://www.wildapricot.com/forums/thread/14581.aspx

ReCaptcha:

.recaptchatable td img {display:none;}


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PHP Scripts:

Virtual Bulletin (VBB):
.footer_copyright, .footer_morecopyright {display:none;}

Php BB
.copyright {display:none;}