In particular Zentools has pulled in two of the new features into it's layout options.
Using Joomla 2.5 article images for the Zentools image
Joomla 2.5 now allows you to specify images for your content without the need to actually display them in the intro or full text of the item. Zentools has been doing this with K2 for a while, but now you can use an image in the module that isn't displayed in the item itself. The benefit for this is that you can use large images in the slideshow that do not then disrupt the flow of content in the content item itself.
Specifying alternate links in Joomla 2.5
One of the more common requests we have had over the years for our modules is to be able to specify a unique url for the item in the module. Joomla 2.5 allows us to do this easily so now via the url fields in the content item. If you have a unique url specified in the Joomla content item you can have that specific Zentools item link to an external url - this applies for both the lightbox and content item link options.
The filter view for list and grid layouts...
When I first developed version 1.0 of Zentools I left out the filter view option which can be still found in the older Microblog module - It soon became clear to me that I under estimated how popular this layout was.
Zentools 1.2 implements the filter option albeit in a slightly different way by using the item categories to sort and filter the items. So when your items in the module come from two or more categories (and you enable the category filter option) a list of the category titles is displayed above the module content.
When the user clicks on the category title it shows the items from that category and hides the rest. It does this via a lovely animation provided by the Isotope script.
Single item galleries in Zentools
Another useful addition to Zentools v1.2 is the ability to display a single item that leads to a lightbox gallery. The concept is simple but I'm sure this will come in useful for people wanting to use a single trigger to launch a gallery of images or content items in a fancybox lightbox.
So what's coming in v1.3?
This is actually where you get to have your say (again).
I'm looking at adding support for Zoo from Yootheme to the module and also adding flickr and twitter layout options.
What would you like to see in Zentools v1.3?