Hi bought the plugin and it looks great with the exception that my content doesn't fit in the tab box. Your comment at the bottom says for content with different heights, to enable to auto height settings. How do I do that?

You can enable it by parameters:
$("#slidingtabs").slidingTabs({
tabActive:1,
responsive:true,
touchSupport:true,
tabsAlignment:"align_top",
autoHeight:true,
autoHeightSpeed:300,
textConversion:"pb",
contentEasing:"easeInOutQuart",
orientation:"horizontal",
autoHeight:true
});