2 links
2-Bee or Not-too-bee
funbrain.com
2Bee and Queen Nottoobee need flowers to make honey. Help them find flowers by choosing the correct verb to complete the sentences. Two levels available.
IrrTrainer
jeeling.com
Offers an unsupported freeware program for learning irregular verbs. Includes history, download, and help sections. [Requires Microsoft .NET framework]