No, unfortunately, I don't have those.
If you are interested, here are my current plans. Although they can change.
The next update will have more customization options for arrows: line width, join radius, pointer size, shoulder length for "zigzag" arrows, ability to move some "poly" arrow segments. Also, I will add border width for shapes.
Here is a small demo:
After that, I want to release the paid version of the app: it will have more shapes and colors, the ability to configure favorite shapes and colors, the ability to add more anchors to the shapes (points where arrow can be connected to the shape), the ability to connect straight arrows to shape centers and "waypoint" arrows (arrows where you can add, remove and move point and segment).
Then, I think I will make an iPhone version. After that I will probably start working of images support.