After I have received quite a lot of feedback for JoomLike, there were recurrent problems.
1. If you use an extern module that uses jQuery (e.g. Slideshow etc.) and if you noticed, that the template doesn't work so far, please upgrade to version 2.5.6.
2. For correct display of the suckerfish drop down menu, do not set any suffixes, just make sure you enable the following parameter ("Show Sub-menu Items")
3. The module suffixes are the following