Jungle trekking sounds good :) I also did a short jungle hike from Tuna Bay to Perhentian Island Resort/Teluk Pauh which was a little adventure.
At the moment I'm in Germany but going back to Thailand in a few weeks. Mostly I live on Koh Phangan but I have to get some things done here in Germany. Not sure yet which place I wanna visit next. In Malaysia Borneo is still on my bucket list.