From Cyrille: the website for some reason trys to open the powerpoint in the browser (which is not possible). What you need to do is right click and do save link as to save it to your computer. If this does not work, please let him know so it can be fixed.
The link to the FLL Advanced Programming powerpoint actually downloads with a .zip extension (at least on windows). But it’s not a valid zip file. I renamed the .zip portion of downloaded file to .pptx and it opened fine with powerpoint.
The same process applies to the Advanced NXTG Programming 2012 download – except that the slides it contains are actually for the upcoming attachments workshop.