Does this mod allow import of the other Thanks Mod currently available at vb.org?

The Pro version includes a free importer from the Post Thank You v7.7 :)

We're also investigating creating an import script from the other one made by... um.. some other guy. I forgot.
One of our customers use it :p

I'll have to have a serious think over it, as I wouldn't want users to lose what they've thanked, etc.

Does it integrate into vbActivity as well?

Rarely do our products integrate right off the bat, we prefer to listen to the feedback of you guys to figure out just how you want it to integrate :)
Do you want it to integrate in any particular way beyond "points for thanks given/received", "points for likes given/received"?

Could I upgrade from this mod?
https://vborg.vbsupport.ru/showthread.php?t=231666
Saving all my user's thank/posts?

thanks installed

how to use this feature for the first post only?

great mod but why is this mod only at the second post ? my first post did give the option ?

That's not currently possible, but it's something to consider for the future :)

This has been fixed, please re-download and re-upload all files :)

I assume the points allows for us to create medals and achievements based on them in vbActivity?