LaTeX.org

Hello, I am new to beamer and desperate to defend my proposal this month. I use PCTeXv6. In the beamer slides, I used "Insert" and then "Graphic" and got the following code which is not working:

\begin{figure}[tbp] % float placement: (h)ere, page (t)op, page (b)ottom, other (p)age
\centering ...