I'm looking for a clip of the Season 1 montage that showcases everyone falling in love, then shows Sawyer alone by the fire and Vincent comes up to him. Anyone know what I'm talking about?

I think you're thinking of the season two episode S.O.S. Rose and Bernard centric. It shows Rose and Bernard, Jin and Sun, Claire and Aaron, and Sawyer is by himself with Vincent because Kate has gone with Jack into the jungle to look for the Others.