Continuing this theme of working with our body, it is amazing to center in the body as a form of practice in and of itself. Noting each of our physical sensations in turn is actually a wonderful mindfulness practice, and for some people it's especially useful when struggling with strong emotions during a meditation.
So for example, if you are feeling angry with someone or anxious about something coming up, you may find your mind returning over and over to thoughts and 'stories' related to this. Sometimes in this case, pulling the mind back to the breath or a visual meditation focus may be very difficult. Instead, try focusing on one physical 'sense' at a time, and noting everything you perceive through it. For example, first note everything you are smelling, then everything you hear, then every color you see, every sensation on your skin, etc. Spend some time really settling into each sense.
I find that often a physical mindfulness practice like this will be more calming than a breath or visually focused one...