All of the screen casts are flash based and can be viewed full screen making them easier to follow. Whilst some of them are a little out of date they still reflect the general functionality available in the later versions of the software.
This screencasts shows a complete walk through of installing swingbench, installing a benchmark and then running a load generator against it.
Creating user defined transactions
This screencast shows how users can create and modify their own transactions via PL/SQL or Java.
This screencast explains what datagenerator can be used for and shows it generating data into flat files and the database.