Currently, we use various sets of scripture memory cards:
TMS by the Navigators; Promises of Hope; and Proverbs developed by Biblical Mentoring.  Click on each link to learn more:

Topical Memory System (TMS)

Promises of Hope

Proverbs (Wisdom for Life)

GRACE

In Development:

TRUTH

PEACE

Life Issues (TMS)

In His Image

FAITH

LOVE

FREEDOM