Tom Court celebrates as Nick Williams drives over to score Ulster's second try against the ScarletsTavis Knoyle of Scarlets attempts to halt a powerful charge by Ulster number eight Nick Williams at RavenhillUlster's Luke Marshall tackles Scarlets fly-half Aled Thomas during the Pro12 clash in BelfastUlster scrum-half Ruan Pienaar prepares to put the ball in at a scrumScarlets scrum-half Tavis Knoyle attempts to get the ball before Ulster skipper Chris Henry at RavenhillUlster full-back Adam D'Arcy is tackled by Sione Timani and Tavis Knoyle of ScarletsWinger Andrew Trimble dives over to score the third of Ulster's five tries in the 47-17 Pro12 win over ScarletsAndrew Trimble is congratulated by Ulster team-mate Craig Gilroy after scoring in the 47-17 victory over Scarlets at Ravenhill