Stange Problem with iPad

[Sepp]

Hi everyone.
I have a strange problem with my CMSMS site on the iPAD.

I am Graphic designer and I made myself a Portfoliopage with CMSMS. www.kasparallenbach.ch

On the Indexpage you can see a colored background and a graphical image (Some pink/violet triangle thing). I use to change this image and the background color every two weeks with something new. As I tested my site in the Applestore on an Ipad I noticed that when viewed on the iPAD, the indexpage still shows the original image (On the image its written "Online Portfolio von Kaspar Allenbach") i've posted 6months ago when I posted the whole page.

Very strange.
Why is this so?

I already cleared the website cache. But that didn't help. Does anyone own an IPAD and can reproduce the problem?

thanks very much

[uniqu3]

You can test it with this AdobeAir application:
http://www.puresimstudios.com/ibbdemo/