Widgets are ‘the’ big thing in iOS at the moment, but finding decents ones is a case or scouring around and seeing what works for you.
Sadly, I have no miracle cure for the widget hunting, but hopefully the following links will prove useful-
The iOSWidgets sub-reddit. Loads of ideas in a long listed random fashion.
A decent, if slightly precictable, list from Macworld.
You cannot ignore Marques…
And finally, a decent overview from iReviews-