Hints/good videos on learning Orange Tree Evolution guitars?

I bought Orange Trees Evolution Steel Strings and Strawberry Kontakt-guitars well over a year ago, and installed them the other day. Are there any particularily recommendable tutorials of these on Youtube or elsewhere?
 
It seems the  download of Strawberry isn't complete so I'll have to check that, but I don't seem to get the Steel Strings  working properly even though no messages of missing components occur. I can get the basic picking to work, but no strumming, for example. Many of the buttons and knobs don't seem to do anything, and I can't find the strumming construction window shown in the manual. The manual really doesn't go to details or help in trouble shooting.
 
First I couldn't even launch it, but after I installed the latest Kontakt4 update available, I could get it running.
 
I'll have to contact Orange Tree for the missing Strawberry data and advice, but I thought I'll not lose anything by asking here on the forum as well.
 
The manual says all the unzipped data must be in the same Steel Strings -folder when installing. Then, in the next chapter it says Kontakt libraries should be separately organised etc. But it doesn't say anything about separating the nki-file and the other data from each other. Do you folks have Kontakts nki-instrument files in the same folders as the samples? This far I've had the samples on a separate audio HDD.

As for videos, check out the Orange Tree Youtube channel. https://www.youtube.com/user/OrangeTreeSamples
 
Note that the Stratosphere videos may be more relevent to the latest Strawberry update.

Glyn Barnes
What sort of errors are you seeing. If the samples are in a different place to the one where the NKI expects to find them you may have to search for the samples when the "missing samples" dialogue box appears, you must then resave the NKI so it remembers the new location.
 
There has been a recent major Strawberry update which was free, You may also want to check you have that. A similar update to steel strings is coming very soon.
 
Greg is excelent in his customer service, but he is a one man band. I am sure he will get back to you and get you sorted out.

As I mentioned, the Strawberry download must have been incomplete, 'cause it's asking for missing samples. All the samples I downloaded are in that one folder, though.
The Steel Strings, however, gives no messages. I just can't make it make any sense, strumming is what I mostly want from it.
 
Thanks for the tips, folks. I'll check those.