Just how many tongue twisters do you need to know? According to Beiks, 606 is a good start. This collection of tongue-twisters is an add-in for BDicty.
Features:
606 tongue twisters and their variations
Powered by BDicty Dictionary Reader (Light version), used by over 500,000 users worldwide
Instant lookup from within any other application (Only with the Pro version of BDicty)
Expandable with custom articles (Only with the Pro version of BDicty)
Expandable with other legal, language, medical and entertainment dictionary lexicon
High data compression, leaving more memory for other applications
Dictionary browsing with dynamic word positioning
Cross-lookup feature (Only with the Pro version of BDicty)
Two view modes with adjustable display panes
True support for MMC, SD, MS external media cards through VFS
Adjustable font sizes
Horizontal / Vertical views
Smart view
Most recently words list
Word of the day
Available on other mobile platforms (PocketPC, Sharp Zaurus)
Rich, up-to-date documentation
Tags: Palm OS, freeware, software