Firefox animation blocking & settings info -
http://kb.mozillazine.org/Firefox_:_...nimated_Images
http://www.lifespy.com/2007/firefox-...over-and-over/
http://www.ehow.com/how_4776651_disa...s-firefox.html
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Tips & Warnings
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If you'd like
to manually stop animations every time you come across one,
simply press the ESC button. Press F5 or CTRL with the R key to have the images reload and play again.
*
To stop animated images in Internet Explorer, first open the browser. Click on the Tools menu and choose Internet Options. Select the Advanced tab and identify the Settings portion of the tab. Under Multimedia, uncheck the Play Animations in Webpages option and click OK to exit the Internet Options pop-up. Close all windows and exit Internet Explorer before restarting the browser.
]
http://www.ehow.com/how_2315723_stop...s-firefox.html