Tanta is a very rich tradition full of lots of different practices for mind, body and soul. One of the main tantric texts is the Vijnanabhairava Tantra. This one text contains 108 meditations alone. Many of the tantric meditations are advanced and are not suitable for beginners.
Here are some examples of tantric meditation:

•     Meditating on the great pleasure
•     Focusing on the space between thoughts.
•     Merging the mind with the spiritual heart.
•     Meditating on pain (Buddhist’s do this too).