You should just get Photoshop Elements, simple and also good for cataloging your photos and at SGD100+ is very much affordable. Your pics are great, just need some 'Extra Joss'... then get the Scott Kelby Photoshop Elements For Digital Photographers to pick it up.
I know i've been seeing this series of Crossing Bridges 4.0 series for a while now at Tawau / Semporna, and being a Malaysian i'm just wondering, why that place? But I do recall this place being photographed by a Malaysian winner of some POTY award, including an article in one of the photo mags. So here it is...
Pang Piow Kan. But I supposed PhotoMalaysia would have already told you about him? How? Malaysia Boleh...?