Investing in our Human Resources Act of 2008 - Amends the Social Security Act to create a new title XXII: Block Grants to States for Transitional Assistance. Creates the Transitional Assistance Trust Fund, consisting of amounts equivalent to taxes attributable to Internet gambling.
Entitles each state to a grant each fiscal year for a transitional assistance program which provides for: (1) expanded education and job training opportunities for individuals who are, or were formerly, in foster care; (2) expanded post-secondary education and job training opportunities for individuals who are working in, or had worked in, declining sectors of the economy; and (3) a subsidy for public transportation for unemployed individuals.
Directs the Secretary of Health and Human Services to establish a Safe Internet Gambling Practices Program to promote responsible Internet gambling behavior and awareness of unsafe Internet gambling practices.