Juicy Stakes and Intertops Poker will be running a special three-day leaderboard promotion this weekend offering online video slot aficionados the chance to claim a share of $1,000 in bonus cash.Beginning on Friday, players at the Horizon Poker Network sites will receive one leaderboard point for every $0.10 they spin on the Stampede, Mama Mia!, WhoSpunIt? Plus and 4 Seasons online video slots from developer Betsoft Gaming Limited.Intertops Poker and Juicy Stakes revealed that the top-placed competitor come the end of Sunday is then set to pocket $300 in bonus cash while the next nine highest-ranked leaderboard players are to receive smaller prizes worth at least $10. The pair explained that all rewards are to be handed out before the end of Monday while winners will be required to fulfill a one-time rollover provision utilizing other Betsoft Gaming Limited online titles before being able to withdraw any winnings.