-s/<meta\s+http-equiv=['"]?refresh['"]?\s+content=['"]?[0-9]*;\s+url=([^>]*)['"]?>/<link rev="x-refresh" href=$1>/iU
-s/<meta\s+http-equiv=['"]?page-enter['"]?\s+content=[^>].*>/<!--no page enter for me-->/iU
+# 88*31
+s@<img(?: src="([^"]*)")??[^>]*(width=(['"]?)88\3)[^>]*(height=(['"]?)31\5)[^>]*>@<img src=http://config.privoxy.org/send-banner?type=auto alt=Killed-$1-by-size $2 $4>@sigU
+# 120*60, 120*90, 120*240, 120*600
+s@<img(?: src="([^"]*)")??[^>]*(width=(['"]?)120\3)[^>]*(height=(['"]?)(?:600?|90|240)\5)[^>]*>@<img src=http://config.privoxy.org/send-banner?type=auto alt=Killed-$1-by-size $2 $4>@sigU
+# 125*125
+s@<img(?: src="([^"]*)")??[^>]*(width=(['"]?)125\3)[^>]*(height=(['"]?)125\5)[^>]*>@<img src=http://config.privoxy.org/send-banner?type=auto alt=Killed-$1-by-size $2 $4>@sigU
+# 160*600
+s@<img(?: src="([^"]*)")??[^>]*(width=(['"]?)160\3)[^>]*(height=(['"]?)600\5)[^>]*>@<img src=http://config.privoxy.org/send-banner?type=auto alt=Killed-$1-by-size $2 $4>@sigU
+# 180*150
+s@<img(?: src="([^"]*)")??[^>]*(width=(['"]?)180\3)[^>]*(height=(['"]?)150\5)[^>]*>@<img src=http://config.privoxy.org/send-banner?type=auto alt=Killed-$1-by-size $2 $4>@sigU
+# 234*60, 468*60 (Most Banners!)
+s@<img(?: src="([^"]*)")??[^>]*(width=(['"]?)(?:234|468)\3)[^>]*(height=(['"]?)60\5)[^>]*>@<img src=http://config.privoxy.org/send-banner?type=auto alt=Killed-$1-by-size $2 $4>@sigU
+# 240*400
+s@<img(?: src="([^"]*)")??[^>]*(width=(['"]?)240\3)[^>]*(height=(['"]?)400\5)[^>]*>@<img src=http://config.privoxy.org/send-banner?type=auto alt=Killed-$1-by-size $2 $4>@sigU
+# 250*250, 300*250
+s@<img(?: src="([^"]*)")??[^>]*(width=(['"]?)(?:250|300)\3)[^>]*(height=(['"]?)250\5)[^>]*>@<img src=http://config.privoxy.org/send-banner?type=auto alt=Killed-$1-by-size $2 $4>@sigU
+# 336*280
+s@<img(?: src="([^"]*)")??[^>]*(width=(['"]?)336\3)[^>]*(height=(['"]?)280\5)[^>]*>@<img src=http://config.privoxy.org/send-banner?type=auto alt=Killed-$1-by-size $2 $4>@sigU
+
+# Note: 200*50 was also proposed, but it probably causes too much collateral damage:
+#
+#s@<img(?: src="([^"]*)")??[^>]*(width=(['"]?)200\3)[^>]*(height=(['"]?)50\5)[^>]*>@<img src=http://config.privoxy.org/send-banner?type=auto alt=Killed-$1-by-size $2 $4>@sigU