Hi there
The plugin invites you in its settings screen to decide on a default donation amount. But any selected amount is ignored as a figure of 5 is hard-coded into line 67 of minicart.php.
I've temporarily got round the prob by hard coding my amount into the same slot, but presumably you'd like to amend this?
As a long term goal, how about adding a quantity select into MiniCart forms?
I'm trying to sell charity ball tickets and people can buy various numbers of fixed priced tickets (hence my kludge of using the donate option of this cart!).
Otherwise, a great little plugin!