Fix installer page slow first load by linking to flowchart instead of…

… embedding it

httpGUI/installer.html

@@ -220,8 +220,8 @@ <h4 class="uppercase ">{{selectedSubMod.subModName}} Patch</h4>
 														For best results, we recommend you install to a fresh, unmodded Himatsubushi Ch.4 installation, however overwriting a modded version will probably still work.<br>
 														You can backup your existing Himatsubushi Ch.4 version by making a copy of the game folder.<br>
 														<br><br>
-														The console arcs should be played at the points of the story and in the order indicated by the below flowchart.<br>
-														<a href='https://07th-mod.com/wiki/Higurashi/img/flow.png' target='_blank'><img src='https://07th-mod.com/wiki/Higurashi/img/flow.png' width='400'></a><br><br>
+														The console arcs should be played at the points of the story and in the order indicated by the below flowchart (<strong>click image for big version</strong>).<br>
+														<a href='https://07th-mod.com/wiki/Higurashi/img/flow.png' target='_blank'><img src='img/higurashi/flow_thumbnail.jpg'></a><br><br>
 													</div>
 													This option combines all the patches available to create the best experience possible. It contains:
 													<ul class="installer-bullets">