I don't like the following:

I want the following:

Code:
\documentclass[demo,12pt,a4paper]{article}
\usepackage[margin=2cm]{geometry}
\usepackage{multicol,lipsum,graphicx}
\title{Foo Bar Baz}
\author{Foo Bar Baz}
\date{\today}
\begin{document}
\maketitle
\begin{abstract}
\lipsum[1]
\end{abstract}
\begin{multicols}{2}
\lipsum[2]
\end{multicols}
\begin{figure}[hbpt]
\centering
\includegraphics[width=0.5\textwidth]{}
\caption{Foo Bar Baz}
\end{figure}
\begin{multicols}{2}
\lipsum[3]
\end{multicols}
\end{document}
How to insert an image into a two-column document such that the text flows from TL (top left), BL (bottom left), TR (top right) and finally BR (bottom right)?