Flowers in your bouquet

I am thinking of doing yellow roses (which was my mom's favorite flower), with some succulents. Probably a white flower of some sort in there. I'm a little unsure, since I think succulents are a little pricey. Maybe something like this, but not as big. I'm looking to stay small with my bouquet:



I'm curious what kind of flowers you are getting or would like in your bouquet?