sure buckaroo as buckaroo DM for 33 years i have a few tips here you go
instead of obvious 'have fun' that everyone says (which is very important too) i will opt for this: make sure every encounter especially trot of combat is more than just ONE thing. if it is a battle against a flying manticore then put it on moving train. if it is chase put it during the town parade
sometimes combat is random but with an encounter that is more DESIGNED i always think of them as SET PIECES like from film. so maybe there is an underground lava temple but combat happens in room with levers that need to be held down to keep lava from rising, do players attack or hold lever? does each lever have a different lava speed value? does each lever have a lock with a different puzzle or key? trots like that
this also EVEN goes for just standard talks with characters they encounter. if talking to suspicious barkeep, give the barkeep TWO secrets but only one pertains to parties interests
so that is my advice, create encounters with at least two unique elements that create an unexpected cocktail for players