Favours are a difficult one.  Let's be honest, you're trying to come up with an idea thats not been seen before but thats not easy!  You are also trying to provide a worthwhile and memorable gift for around 120 people...on a budget.  Consider these for inspiration...

Sweets tied up with lace and placed in vintage tea cups.  Simple, classic, beautiful.  Matt Parry Photography.

Great idea for an Autumn wedding.  Simple but stylish and reasonably easy on the purse strings...  Mark Lord Photography.

What could be more effective for that classic green / white theme than this perfect single stem of fern, a cinnamon stick and finished off beautifully with brown twine.  Spot on.  Photograph by Matthew Bishop.