I changed it a bit & now I use it as a web page filter not as a header filter.
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Name = "Kill - ad banners by size - (Option #2)"
Active = TRUE
URL = "$TYPE(htm)(^$LST(Bypass-Ads))"
Bounds = "<(as[^>]++href=*</a>)|<im(g|age)s*>|$NEST(<objects,</object>)|$NEST(<embeds,>)"
Limit = 800
Match = "*src=*$LST(AdDims)*"
Replace = "<span class=Prox style=display:none;>[ad banner - 9]</span>"
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#
# All banner dimensions list (NOADDURL)
#
# For use in "by-size" banner filters in Proxomitron
#
# Note: indented lines are combined with the previous line
# to form one expression
# The variable 9 returns the ad type (banner, counter,...)
# and is used for debug purposes.
#
#
# Originaly by Evgeny AKA Homeric
#
# Updated on 05/15/02 by JD5000
#
# common banners
(width=$AV([#445-485]) & *height=$AV(([#50-80]|[#98-105])))$SET(9=common.1)
(height=$AV(([#50-80]|[#98-105])) & *width=$AV([#445-485]))$SET(9=common.2)
# tower banners
(width=$AV([#55-65]) & *height=$AV([#455-475]))$SET(9=tower.1)
# misc. banners
(width=$AV([#55-60]) & *height=$AV(([#120-160]|[#215-235])))$SET(9=misc.1)
(width=$AV([#70-85]) & *height=$AV([#160-180]))$SET(9=misc.2)
(width=$AV([#100]) & *height=$AV([#160-200]))$SET(9=misc.3)
(width=$AV([#200-225]) & *height=$AV([#125]))$SET(9=misc.4)
(width=$AV([#250]) & *height=$AV([#300]))$SET(9=misc.5)
(width=$AV([#300]) & *height=$AV([#160]))$SET(9=misc.6)
(width=$AV([#200]) & *height=$AV([#150]))$SET(9=misc.7)
# monster banners
(width=$AV(([#120]|[#160])) & *height=$AV([#600]))$SET(9=monster.1)
(width=$AV([#720-760]) & *height=$AV([#85-100]))$SET(9=monster.2)
# square banners
(width=$AV([#100]) & *height=$AV([#100]))$SET(9=square.1)
(width=$AV([#125]) & *height=$AV([#125]))$SET(9=square.2)
(width=$AV([#200]) & *height=$AV([#200]))$SET(9=square.3)
# buttons and counters (88x31)
(width=$AV([#81]) & *height=$AV([#63]))$SET(9=counter)
(width=$AV([#86-93]) & *height=$AV([#30-33]))$SET(9=button)
# site specific
(height=$AV([#90]) & *width=$AV([#728]))$SET(9=monster.cnet)
(height=$AV([#270-285]) & *width=$AV([#325-345]))$SET(9=misc.cnet)
# user sizes go here...
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"Imagination is more important than knowledge" - Einstein