When using 'thou', thou shouldst of course use the corresponding inflexion, too: "Where dost thou blog?"
I mean as not being native, it's hard to find sources. Can you recommend any? Also, on the other hand, there is this understanding from readers...
Actually, reading Shakespeare perhaps is the best approach. Not only will you pick up these forms along the way, but you'll also learn a lot about the English language from the language's most quintessential and influential writer.
Additionally, his poetry is beautiful - and often quite witty - and the stories are archetypical.