#+begin_src latex :packages '(("" "tikz")) :exports results :results output raw :file fsa.png
\usetikzlibrary{backgrounds}
\begin{tikzpicture}
\draw (0,0) grid (10,5);
\draw (0,0) node[below left] {$A$};
\draw (10,5) node[above right] {$B$};
\fill (0,0) circle (2pt);
\fill (10,5) circle (2pt);
\end{tikzpicture}
#+end_src
#+begin_src latex :packages '(("" "qtree")) :exports results :results output raw :file tree1.png
\Tree [.sum [.squares [.prime-numbers initial seven ] ] ]
#+end_src
running in an org file, and it gives me embedded images in an html file. (See
this). But they're cramped and have a strange gray background. How can I not clip and get the png transparent working?