I am trying to take an image stored on a web server and be able to add a hyper-link to it taking you back to the home page. Here is an example from plotly documentation on how to add an image to a graph:
fig.add_layout_image(
dict(
source="https://images.plot.ly/language-icons/api-home/python-logo.png",
xref="x",
yref="y",
x=0,
y=3,
sizex=2,
sizey=2,
sizing="stretch",
opacity=0.5,
layer="below")
)