Add Command Buttons to User Form at Runtime

I have a number of macros that I would like to call from a User Form. I want to be able to pass an array of the names of these macros to a function that will runtime create a UserForm with Command Buttons linked to these macros. Is anybody able to assist with this?

Attached is as far as I have got.

I am having difficulty with the following:

1. Create the form dynamically (currently using the first form in ThisWorkbook)
2. Spacing the Cmd Buttons over the form (currently overwriting the same button)
3. Adding the Calls to the Command Buttons