Idk,but *.png pictures are not showed and *.jpg are showed!

Hello! Im new here, trying to make my 1st tour and I have got a problem. Im making a tour like this: 1st xml (main, where i have to choose which part of the tour do i want) ( tour is pretty big ) Its very similar to the example xml from krpano. 2nd xml ( 1st part of the tour, its a seperate tour with own html, xml etc ) 3rd xml ( 2nd part of the tour, its a seperate tour with own html, xml etc ) So the problem is very annoying - when im choosing the 1st tour and clicking on some hotspot(it shoul...