diff --git a/ueforth/Makefile b/ueforth/Makefile
index 9334fd5..da789f5 100644
--- a/ueforth/Makefile
+++ b/ueforth/Makefile
@@ -1,74 +1,104 @@
-CFLAGS=-O2 -Wall -Werror -I./ -I./out
+OUT = out
+GEN = $(OUT)/gen
+RES = $(OUT)/resources
+WEB = $(OUT)/web
+POSIX = $(OUT)/posix
+ARDUINO = $(OUT)/arduino
+
+CFLAGS=-O2 -Wall -Werror -I ./ -I $(OUT)
 LIBS=-ldl
 
-TARGETS = out/web/terminal.html \
-          out/web/ueforth.js \
-          out/posix/ueforth \
-          out/arduino/ueforth.ino
+TARGETS = $(WEB)/terminal.html \
+          $(WEB)/ueforth.js \
+          $(POSIX)/ueforth \
+          $(ARDUINO)/ueforth.ino
 
-all: $(TARGETS) tests
+all: $(TARGETS) $(RES)/eforth.ico tests
 
 tests: core_test
 
-core_test: out/posix/ueforth common/core_test.fs \
+core_test: $(POSIX)/ueforth common/core_test.fs \
         common/core_test.fs.golden
 	echo "include common/core_test.fs" | $< | \
         diff - common/core_test.fs.golden
 
-out/gen:
-	mkdir -p out/gen
+$(GEN):
+	mkdir -p $@
 
 POSIX_BOOT = common/boot.fs posix/posix.fs
-out/gen/posix_boot.h: common/source_to_string.js $(POSIX_BOOT) | out/gen
+$(GEN)/posix_boot.h: common/source_to_string.js $(POSIX_BOOT) | $(GEN)
 	echo "ok" | cat $(POSIX_BOOT) - | $< boot >$@
 
 ARDUINO_BOOT = common/boot.fs
-out/gen/arduino_boot.h: common/source_to_string.js $(ARDUINO_BOOT) | out/gen
+$(GEN)/arduino_boot.h: common/source_to_string.js $(ARDUINO_BOOT) | $(GEN)
 	echo "ok" | cat $(ARDUINO_BOOT) - | $< boot >$@
 
-out/gen/dump_web_opcodes: web/dump_web_opcodes.c common/opcodes.h | out/gen
+$(GEN)/dump_web_opcodes: web/dump_web_opcodes.c common/opcodes.h | $(GEN)
 	$(CC) $(CFLAGS) $< -o $@
 
-out/gen/web_cases.js: out/gen/dump_web_opcodes | out/gen
+$(GEN)/web_cases.js: $(GEN)/dump_web_opcodes | $(GEN)
 	$< cases >$@
 
-out/gen/web_dict.js: out/gen/dump_web_opcodes | out/gen
+$(GEN)/web_dict.js: $(GEN)/dump_web_opcodes | $(GEN)
 	$< dict >$@
 
-out/web:
-	mkdir -p out/web
+$(RES):
+	mkdir -p $@
 
-out/web/terminal.html: web/terminal.html | out/web
+$(RES)/eforth16x16.png: images/eforth.png | $(RES)
+	convert -resize 16x16 $< $@
+
+$(RES)/eforth32x32.png: images/eforth.png | $(RES)
+	convert -resize 32x32 $< $@
+
+$(RES)/eforth48x48.png: images/eforth.png | $(RES)
+	convert -resize 48x48 $< $@
+
+$(RES)/eforth256x256.png: images/eforth.png | $(RES)
+	convert -resize 256x256 $< $@
+
+ICON_SIZES = $(RES)/eforth256x256.png \
+             $(RES)/eforth48x48.png \
+             $(RES)/eforth32x32.png \
+             $(RES)/eforth16x16.png
+
+$(RES)/eforth.ico: $(ICON_SIZES)
+	convert $^ $< $@
+
+$(WEB):
+	mkdir -p $(WEB)
+
+$(WEB)/terminal.html: web/terminal.html | $(WEB)
 	cp $< $@
 
-out/web/ueforth.js: \
+$(WEB)/ueforth.js: \
         web/fuse_web.js \
         web/web.template.js \
         common/boot.fs \
-        out/gen/web_dict.js \
-        out/gen/web_cases.js | out/web
+        $(GEN)/web_dict.js \
+        $(GEN)/web_cases.js | $(WEB)
 	$^ >$@
 
-out/posix:
-	mkdir -p out/posix
+$(POSIX):
+	mkdir -p $@
 
-out/posix/ueforth: \
+$(POSIX)/ueforth: \
     posix/posix_main.c \
     common/opcodes.h \
     common/core.h \
-    out/gen/posix_boot.h | out/posix
+    $(GEN)/posix_boot.h | $(POSIX)
 	$(CC) $(CFLAGS) $< -o $@ $(LIBS)
 
-out/arduino:
-	mkdir -p out/arduino
+$(ARDUINO):
+	mkdir -p $@
 
-out/arduino/ueforth.ino: \
+$(ARDUINO)/ueforth.ino: \
         arduino/fuse_ino.js \
         arduino/arduino.template.ino \
         common/opcodes.h \
         common/core.h \
-        out/gen/arduino_boot.h | out/arduino
+        $(GEN)/arduino_boot.h | $(ARDUINO)
 	$^ >$@
 
 clean:
-	rm -rf out/
+	rm -rf $(OUT)
diff --git a/ueforth/images/eforth.png b/ueforth/images/eforth.png
new file mode 100755
index 0000000..9ffa13c
Binary files /dev/null and b/ueforth/images/eforth.png differ