\documentclass[a4paper]{article}

\usepackage{pgf}
\usepackage{shapepar}

\begin{document}

\begin{figure}[htbp]
\centerline{\input{house}}
\caption{A House}
\end{figure}

\begin{figure}[htbp]
\centerline{\input{lettuce}}
\caption{Lettuce on Toast}
\end{figure}

\begin{figure}[htbp]
\centerline{\input{cheese}}
\caption{Cheese an Lettuce on Toast}
\end{figure}

\begin{figure}[htbp]
\centerline{\input{neuron}}
\caption{An Artificial Neuron}
\end{figure}

\clearpage
\input{busshape}
The wheels on the bus go round and round, round and round,
round and round. The wheels on the bus go round and round
all day long. The wipers on the bus go swish swish swish,
swish swish swish, swish swish swish, the wipers on the bus
go swish swish swish all day long. The horn on the bus goes
beep beep beep, beep beep beep, beep beep beep, the horn on
the bus goes beep beep beep all day long. The conductor on 
the bus says ``any more fares'', ``any more fares'', ``any 
more fares'', the conductor on the bus says ``any more 
fares'', all day long. The mummies on the 
bus go natter natter natter, natter natter natter, natter 
natter natter, the mummies on the bus go natter natter 
natter all day long. The children on the bus make too much
noise, too much noise, too much noise, the children on the
bus make too much noise, all day long. The dogs on the bus 
go woof woof woof, woof woof woof, woof woof woof, the dogs 
on the bus go woof woof woof, all day long.

\end{document}
