Thin posts (tiki torches) along walkway with round lights or chinese lantern style stringers between. Up high enough to stop cats/dogs playing with them or people tripping over them, cemented into ground with rocks if you have a problem with things being dug up.
Have your guests hold mason jar lanterns with led candle lights for your send off.Mason Jar Garden Lights DIY Lids Set by TheCountryBarrel I can do this for the backyard! Switch out candles for battery or LED candles.
10 Herb Garden Ideas For Your Home - Find an Herb Garden for Every Space