Privoxy is a great application that acts as a web proxy and filters a lot of ads including the annoying flash ones, and it filters a lot more things. They have a windows and linux version. Give it a try. Doesn't take hardly anything to setup the default config works for most cases.
http://www.privoxy.org/
Hope this helps,
pitupepito
http://www.privoxy.org/
Hope this helps,
pitupepito
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