Instructions and the CSS on the link above. Apparently enables the Simplenote window to be resized when using Simplenote with Fluid (http://fluidapp.com/).>
Update: I was unable to make it work, possibly to do with the Simplenote web upgrade of 16-Nov-09.
If you change the password on the website, the iPhone app stops syncing. Then when you change the password on the iPhone, all the notes on the iPhone are deleted before copying the notes from the web onto the iPhone app. This means that if you have been entering notes via the web and the iPhone you will lose the iPhone-only notes unless you email them out -- one note at a time -- all the iPhone notes (unless you can work out which ones are only on the iPhone). This is a serious flaw and cost me days worths of notes as I only realised what happened in hindsight.
Sent from my iPhone
Update: 01-Sep-09. Version 2.11 of Simplenote fixed this problem.
