Couple more tips/tricks here...
When the sun is in front and really bright, stop down to between f/16-22. This would give a 'starlight' like effect. This can be done on a bright day. The very small aperture causes diffraction which results in this 'effect'. Btw, shooting directly into the sun is to be avoided as much as possible.
When shooting water reflections or to get a water flow effect, increase shutter speed (lower iso, higher f etc.).
Up the EV compensation when shooting a subject against a very bright background --> though some good metering techniques might not require this.
There a are a few more (flash, filters blah blah)..too lazy now...