diff --git a/doc/Doxyfile b/doc/Doxyfile
index c9e6933a..54c2e848 100644
--- a/doc/Doxyfile
+++ b/doc/Doxyfile
@@ -103,7 +103,7 @@ EXCLUDE_SYMBOLS =
 EXAMPLE_PATH = ../doc/examples
 EXAMPLE_PATTERNS = *.c
 EXAMPLE_RECURSIVE = NO
-IMAGE_PATH = 
+IMAGE_PATH = ../doc/images
 INPUT_FILTER = 
 FILTER_PATTERNS = 
 FILTER_SOURCE_FILES = NO
@@ -137,8 +137,7 @@ HTML_ALIGN_MEMBERS = YES
 HTML_EXTRA_FILES = \
 ../doc/fluidsettings.xml \
 ../doc/fluidsettings.xsl \
-../doc/FluidMixer.pdf \
-../doc/FluidMixer.jpg
+../doc/FluidMixer.pdf
 
 GENERATE_HTMLHELP = NO
 GENERATE_DOCSET = NO
diff --git a/doc/Doxyfile.cmake b/doc/Doxyfile.cmake
index 1e8f63e6..ce9b790f 100644
--- a/doc/Doxyfile.cmake
+++ b/doc/Doxyfile.cmake
@@ -105,7 +105,7 @@ EXCLUDE_SYMBOLS =
 EXAMPLE_PATH = @CMAKE_SOURCE_DIR@/doc/examples
 EXAMPLE_PATTERNS = *.c
 EXAMPLE_RECURSIVE = NO
-IMAGE_PATH = 
+IMAGE_PATH = @CMAKE_SOURCE_DIR@/doc/images
 INPUT_FILTER = 
 FILTER_PATTERNS = 
 FILTER_SOURCE_FILES = NO
@@ -139,8 +139,7 @@ HTML_ALIGN_MEMBERS = YES
 HTML_EXTRA_FILES = \
 @CMAKE_SOURCE_DIR@/doc/fluidsettings.xml \
 @CMAKE_SOURCE_DIR@/doc/fluidsettings.xsl \
-@CMAKE_SOURCE_DIR@/doc/FluidMixer.pdf \
-@CMAKE_SOURCE_DIR@/doc/FluidMixer.jpg
+@CMAKE_SOURCE_DIR@/doc/FluidMixer.pdf
 
 GENERATE_HTMLHELP = NO
 GENERATE_DOCSET = NO
diff --git a/doc/FluidMixer.jpg b/doc/FluidMixer.jpg
deleted file mode 100644
index fa51a4ab..00000000
Binary files a/doc/FluidMixer.jpg and /dev/null differ
diff --git a/doc/doxygen/custom.css b/doc/doxygen/custom.css
index db728b80..214ee2c3 100644
--- a/doc/doxygen/custom.css
+++ b/doc/doxygen/custom.css
@@ -209,3 +209,8 @@ table.directory tr.even {
 table.directory tr {
     border-bottom: 1px solid #eee;
 }
+
+.image img {
+    width: 100%;
+    height: auto;
+}
diff --git a/doc/images/fluid_mixer.png b/doc/images/fluid_mixer.png
new file mode 100644
index 00000000..5387203e
Binary files /dev/null and b/doc/images/fluid_mixer.png differ
diff --git a/doc/usage/multi_channel.txt b/doc/usage/multi_channel.txt
index 0c136c11..9ef08004 100644
--- a/doc/usage/multi_channel.txt
+++ b/doc/usage/multi_channel.txt
@@ -10,10 +10,6 @@ for information on how to do that: \ref fluidsynth_process.c
 The following chart illustrates how the voices (produced by MIDI NoteOns) are
 dispatched or mapped to their dry/effects audio buffers.
 
-\htmlonly
-<a href="FluidMixer.pdf">
-<img src="FluidMixer.jpg" alt="FluidSynth Mixer Chart">
-</a>
-\endhtmlonly
+\image html fluid_mixer.png "FluidSynth Mixer Chart"
 
 */