Originally Posted by Lifeforms
I just have one tip for you really, if you want to stop the barrel distortion in the first photo you posted (i.e you can see the ferrero rocher tray 'bending' as it if its 'breathing out' !!!! ) try using a longer focal length (zoom) to crop and frame the subject.
great tip! you can also post process in your favorite photo editor. but i hate doing all the work.