don't have any pics but here's an easy tip or at least how I check mine...
I take a very bright flashlight (3aa & 8 LED) & press it right against the side of the carboy & turn it on, shining the light into the liquid.
if it makes a big blur, like car headlights in a fog bank, then it's not ready.
[...]
its not scientific but it's easy & it'll keep you from bottling too early.
Its also not very good advice at all :S I have a helles recipe that runs decently clear WELL before the gravity is terminal. starting the bottling process then would be disastrous. For bottling you should be looking for absolute measurable indications of fermentation being done.