I like shooting those ducks at the Lake Thun. Actually took a train earlier to have a bit of time for this. It was rather early in the morning, so the ducks hadn't really woken up yet and barely moved at all, giving me plenty of opportunities to focus and compose.
This is a crop in 1920x1200, perfectly fine for 16:10 monitors. I suggest cropping the top away if you want to use it as a wallpaper on a 1080p monitor - otherwise, the display's bottom border will cut through the reflection.