Modifiying the default theme can be useful. If you want to know what the current theme is and where the gem is located:
~/.aws/credentials file required
I use the S3 Website tool to automate the uploading of the site to s3.
Check out the Jekyll docs for more info on how to get the most out of Jekyll. File all bugs/feature requests at Jekyll’s GitHub repo. If you have questions, you can ask them on Jekyll Talk.