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Steps
1- Place an image on the stage
2- on the image add a PlaneProjection, this can easily be done by editing the Projection / Rotation / Y in the properties panel
3- name the PlaneProjection to x:Name=”rotater”[...]

This is the 2nd tutorial of image transformations, the first tutorial is ‘Scaling Objects with a Slider control in Silverlight’.

In a previous tutorial Scaling Objects with a Slider control in Silverlight, the design of the slider control I wanted had a rounded edge. Programmatically you can set the RadiusX and RadiusY properties but I wanted to do this within Microsoft Blend design mode.

A reader emailed me and asked me how to create a custom Slider in Silverlight.  I told him how but thought that you might want to know how to do it as well.  So I created this very short video tutorial that shows you how. 

Matthias Shapiro shows a behavior that lets you 'snap' a slider to an integer and it works in both Silverlight and WPF.

Now, one might normally think that there is a simple way to make your slider values to snap to an integer or to some incremental number (perhaps base 2 or base 10). Alas, one would be wrong. There have been a couple solutions to this problem (see here and here), but they usually involve creating a new slider subclass with the additional functionality if you really want the interaction to be reusable.

However, behaviors makes all this unnecessary. What is even better is that there is no code difference between WPF and Silverlight on this one. That’s right… this tutorial and the code that goes with it works exactly the same in Silverlight as it does in WPF.

Jordan Knight has posted about having a slider 'snap' to a value when dragged.

The other day I had a problem where a slider had five distinct values and the user would drag the slider to their selection. An example of this would be a question like “From 1 to 5, please select how much you like puppies”. Of course, everyone would answer 5 to that question but that’s not the point… When a user clicked the slider (as opposed to dragging the thumb), the slider change would work fine, and the slider would go to the right place.

This is one of the samples I did sometime back for showing the ticks. The code is compiled with Silverlight 3 beta but should work in Silverlight 2 also without any changes.