Simple Tutorial or usage of the macros: value, key and else. I am unable

Hello All,

I dont know why, but I seem to be too stupid to get this thing TDO Mini Forms to work.
I want to create a form with my own macros.
But how do I use a macro?
Not in the hacker, just in the simple form creator!!
I would love to know why there is written:

%%TITLE%%: %%VALUE%%
in the text box of a “custom field”.

Where should I put a vlaue of a checkbox?
%%VALUE: YES%% doesnt work.
I would like to have a checkbox created, where the submitter of a post can either tick Yes or No (or also multiple checks, like when choosing some of any: PHP, CSS, AJAX, Phtoshop, for example). How do I do this?
How can I use the macros and how can I use the other extra macros ?
Like %%KEY%% ???
For what are they?
I am getting nuts since hours, because I simply dont understand what everybody is doing here.
Is there always php coding involved?

Where is a simple “How To” of this plugin??
A documentation or anything?

It looks so great and the possibilities are wonderful, but if nobody tells a person like me where to start and how to use the “shortcodes” in a simple docu, then You get nuts.

Please help to start.
Thanks in advance.

Cheers.
Andre