It appears that the load balancing systems are offline. At least mikilo, mikoga, mikuna, and mikappa are not responding.
E.g. I cannot view
http://mikilo.image.pbase.com/u27/lecoo ... 116529.jpg
but I can view
http://image.pbase.com/u27/lecook/small ... 116529.jpg
I tested this with both IE 6.0 and Mozilla under Windows XP and under Mozilla on Linux. Same behavior in all cases.
-Preston