Lack of craftsmanship aside, here is a good tutorial on making your own LCD flip. This is useful when shooting with a 35mm adapter as the projected image is inverted which can make simple tilts and pans a tedious task. Flipping the image will help ease this pain.
click here for tutorial
This is a tutorial on how to clean a 'real' focus screen from a 35mm camera...which are used often in 35mm adapters. They are highly fragile and difficult to clean...which makes this tutorial a must watch if you find yourself with a dirty screen.
Built for a Casio EX-F1 (adaptable for any camera) and works with M42 and Canon EF 35mm lenses.
HV20.com forum member Shigeta is selling both static and vibrating 35mm adapters. What makes these adapters different? Not a whole lot, but it does sport some nice features...fully replaceable parts, the ground glass (focusing screens) is fully touchable and washable, and the price is not bad at all. The static model comes in at $115 shipped(US) and the vibrating model is $225 shipped (US). For more information visit Shigeta's post at hv20.com.
There is an open call for people to test the upcoming JAG35SP spinning 35mm adapter. For more information visit http://jag35.com/new/featured/jag35sp-testers-needed/
A new resource in the 35mm adapter world has surfaced, wsp35.com. In a similar light to jetsetmodels.info, you can source parts and view tutorials. Check it out.