You can light something from above (downlight), below (uplight), behind (backlight) and from in front. The latter has a number of further variants since you can obtain quite different effects depending on whether the light is used to "wash" over the subject, place it in relief or casting shadows, or to catch it at an angle.
So
how to choose from so many lighting ideas? Well, many features in a garden themselves suggest the best approach, simply by their very nature. If you have, say, a reasonably large tree that has an interesting structure then a ...
In the true style of "how to" guides I do in fact have some I "made earlier" (like two years ago earlier) and they have been running faultlessly every night since. I also "fixed" a dead LED garden spotlight using an Aurora 12V G4 Unidirectional Capsule.
This beast was the 2W version ... 
