Place all thesis figures in this folder.

Supported formats: .png  .jpg  .pdf  .eps

Naming convention:
  fig_ch1_overview.png
  fig_ch2_architecture.png
  spu_logo.png          ← university logo for the title page

To insert a figure in your chapter:
  \begin{figure}[H]
    \centering
    \includegraphics[width=0.7\textwidth]{figures/your_figure.png}
    \caption{Your caption here.}
    \label{fig:your_label}
  \end{figure}

The graphicspath is already set in spu_thesis.cls:
  \graphicspath{{figures/}}
