When you really get into the nitty gritty details of your bouquet...tell Disney floral what you want, or have pics to email to them. Believe me, they can do phenomenal things!!!
They will let you know if there is any extra charge.
But, in my experience, there is no credit for parts of the intimate package you don't use.
For those using outside photography, I understand they are now allowing you to book the honeymoon photo package as an "alternate", but they do charge you an additional fee ($50 or $75, I think).