I was thinking of improving my python and just recently read an article about the python-fuse library. I'm always interested about filesystem stuff so I thought this would be a good library to hack on. 
What I can't come up with is an idea of what I should implement with this. Do you guys have any suggestions or ideas that you can share?
I do not know if python is appropriate, but maybe you can provide URL handlers for fuse in Firefox. 
for example: sshfs://host/path would allow to explore remote ssh host via Firefox browser.
interesting project that I can implement with fuse-python