Maybe people would be interested in some on-line flash cards I made for verb study.
There are 110 verbs mainly from the vocabulary list of Japanese for Busy People.
They have dictionary form, masu form, te form and nai form. The last 36 have sound.
(so far until I find another victim / volunteer to record the others)
They are pictures so you don't need Japanese support on your OS.
The drawings aren't mine but any mistakes are!
http://www.shiawase.co.uk/chika-sans-verbs/
Robert
--edit--
updated url, hope it doesn't bump the topic.