No amount is too small, truly. 
We are so thankful for your contribution!

In recognition of donor's contribution, the Producers will thank donor in credits of film. 

In recognition of donor's contribution, the Producers will grant donor with an honorary Co-Producer credit (with no decision-making authority).

If donor is a company, we will add logo to marketing, and will publicize contribution. 

In recognition of donor's contribution, the Producers will grant donor with an honorary Executive Producer credit (with no decision-making authority).

If donor is a company, we will add logo to credits & marketing, and will most prominently publicize.