The following prayers have been added recently in the Practice Material section.

• The prayers for Blessing Offerings and Making Praises
  These are the prayers which can be recited whenever offerings have been arranged, including the arrangement of the seven offering bowls on the shrine in the morning. Link.
  
• Prayer before meals Link.
  
• Being generous with bodily impurities
  When the recitation of these mantras is motivated by compassion, they benefit other beings who make use of one's bodily impurities. Link.
  

You may also want to check the Mantras Page and the Teachings page.