>   In what way ECLIPSE can associate with FLUID ?
It can be "learned" to use FLUID in order to edit .fl file. However I do not
know how to make Eclipse add two more files to the current project
automatically.

It is much easier for You if you simply generate stuff manually.

You compile, build and run your project the same way as described in my
small howto document (which You have already read).

Best regards

-- 
...........
Dejan Lekic
  http://dejan.lekic.org