Sophia is holding a contest for an autographed (by the cast) One Tree Hill Season Seven DVD boxset.

SWEEPSTAKES
Win a Limited Edition One Tree Hill Season 7 DVD Signed by the Cast
Contest ends August 18, 2010 at 8pm eastern time
OFFICIAL RULES
NO DONATION NECESSARY. A DONATION WILL NOT INCREASE YOUR CHANCES OF WINNING.
Contest begins August 11, 2010 at 8am eastern time
Contest ends August 18, 2010 at 8pm eastern time
1. HOW TO ENTER: Go to www.Crowdrise.com (the “Website”) and follow the on-screen instructions to make a donation of exactly $28 during the Sweepstakes Period and you will be automatically entered into the Drawing (defined below) for the Sweepstakes – Win a Limited Edition One Tree Hill Season 7 DVD Signed by the Cast.
ONLINE ENTRIES MUST BE RECEIVED BY August 18, 2010 at 8pm eastern time. No illegible, incomplete, forged or altered entries will be accepted. All entries become the exclusive property of Sponsor and will not be returned.
2. SELECTION OF WINNERS: Winners will be determined from all eligible entries received in one random drawing (a “Drawing”.) One Drawing will be held on August 18, 2010. The Drawing will be conducted by representatives of Sponsor whose decisions are final on all matters relating to this Sweepstakes. Winners will be notified by email at the email address provided upon entry on or about one (1) day after the date of the Drawing.
3. PRIZES AND ODDS: Limited Edition One Tree Hill Season 7 DVD Signed by the Cast. Approximate Value $999. Odds of winning depend upon the number of eligible entries received. All prizes will be awarded (assuming sufficient number of eligible entries.) Limit: one prize per household. Sponsor reserves right to substitute prizes of equal or greater value. No other substitution or transfer of prizes permitted. Sponsor responsible only for prize delivery; not responsible for prize utility, quality or otherwise. Taxes and fees, if any, are the sole responsibility of winners.
4. ELIGIBILITY: Sweepstakes open to individual legal residents of the 50 United States and District of Columbia, age 18 or older as of August 11, 2010 at 8am eastern time, except employees (and their immediate families and members of the same household) of Sponsor and its affiliates, agents, judges and advertising and promotion agencies.

See full rules and disclaimer here