The hands can guide energy through the body as a stand alone chi kung practice or as a prelude to seated meditation. The movements in the photo above can guide Energy through the microcosmic meditation, shown in the second photo above.
Photo taken from The Healing Power of Qi, by Roger Jahnke
Use the hands and smile to direct energy to various organs of the body. This can be a regular practice to develop a relationship with the organs and/or it can used if there is a need in a specific organ.
Photo taken from The Healing Power of Qi, by Roger Jahnke