Tobaisch,
I am developing my skills and want to build my own exporters so may build one.
Can you explain what you want and I will see if I can build one for you?
eg; Export the rendered tiddler text field as a HTML snipit, such that it can be pasted into another HTML page (without header and tags just the text part rendered)
or Export the rendered tiddler text field as a HTML, such that it a standalone HTML page (without header and tags just the text part rendered)
etc...
PS - in the mean time the tiddler you want to render as html can be designed by you not to include internal links that may interfere with your final product.
Regards
Tony