I have Render Studio working fine in Poser 7 SR3 and Poser Pro SR1.

Did you load the scripts in the main Poser Runtime?
Can you post details of what 'difficulty' you are having? Any error messages?

"If I were a shadow, I know I wouldn't like to be half of what I should be."
Mr Otsuka, the old black tomcat in Kafka on the Shore (Haruki Murakami)