+# HTML : s/target=['"]?_blank['"]?/target_who/g
+
+# Kill banners by size:
+# (Sizes from http://www.iab.net/iab_banner_standards/bannersizes.html)
+#
+s|<img [^>]*?(width=['"]?468\D)[^>]*(height=['"]?60\D).*?>|<img src=http://no.where/ijb-send-banner.gif $1 $2>|ig
+s|<img [^>]*?(width=['"]?234\D)[^>]*(height=['"]?60\D).*?>|<img src=http://no.where/ijb-send-banner.gif $1 $2>|ig
+s|<img [^>]*?(width=['"]?88\D)[^>]*(height=['"]?31\D).*?>|<img src=http://no.where/ijb-send-banner.gif $1 $2>|ig
+s|<img [^>]*?(width=['"]?120\D)[^>]*(height=['"]?90\D).*?>|<img src=http://no.where/ijb-send-banner.gif $1 $2>|ig
+s|<img [^>]*?(width=['"]?120\D)[^>]*(height=['"]?60\D).*?>|<img src=http://no.where/ijb-send-banner.gif $1 $2>|ig
+s|<img [^>]*?(width=['"]?160\D)[^>]*(height=['"]?600\D).*?>|<img src=http://no.where/ijb-send-banner.gif $1 $2>|ig
+s|<img [^>]*?(width=['"]?120\D)[^>]*(height=['"]?600\D).*?>|<img src=http://no.where/ijb-send-banner.gif $1 $2>|ig
+s|<img [^>]*?(width=['"]?125\D)[^>]*(height=['"]?125\D).*?>|<img src=http://no.where/ijb-send-banner.gif $1 $2>|ig
+s|<img [^>]*?(width=['"]?120\D)[^>]*(height=['"]?240\D).*?>|<img src=http://no.where/ijb-send-banner.gif $1 $2>|ig
+s|<img [^>]*?(width=['"]?180\D)[^>]*(height=['"]?150\D).*?>|<img src=http://no.where/ijb-send-banner.gif $1 $2>|ig
+s|<img [^>]*?(width=['"]?300\D)[^>]*(height=['"]?250\D).*?>|<img src=http://no.where/ijb-send-banner.gif $1 $2>|ig
+s|<img [^>]*?(width=['"]?250\D)[^>]*(height=['"]?250\D).*?>|<img src=http://no.where/ijb-send-banner.gif $1 $2>|ig
+s|<img [^>]*?(width=['"]?240\D)[^>]*(height=['"]?400\D).*?>|<img src=http://no.where/ijb-send-banner.gif $1 $2>|ig
+s|<img [^>]*?(width=['"]?336\D)[^>]*(height=['"]?280\D).*?>|<img src=http://no.where/ijb-send-banner.gif $1 $2>|ig
+
+# Squish WebBugs:
+#
+s/<img [^>]*?(width|height) *= *['"]?1\D[^>]*?(width|height) *= *['"]?1\D.*?>/<!-- Squished WebBug -->/ig