/~katalogd/skins/common/images/kd.gif was not found on this server.
I see you have images linked with [[Bild: prefix which is on German language, but the wiki is configured in French, so it will only work when linking wit the [[Image: one. You can set $namespaceNames[NS_IMAGE] = 'Bild'; to have them recognised.
Have the data been rightly imported? Double utf8 title http://start1g.ovh.net/~katalogd/index.php?title=%C3%83%E2%80%B0changes_d%27... suggests it wasn't.