diff --git a/Makefile b/Makefile
index ff08b7f..2d0a8ce 100644
--- a/Makefile
+++ b/Makefile
@@ -73,7 +73,10 @@ clean:
 	$(MAKE) -C hello_poly_fun clean
 	$(MAKE) -C hello_gte_opti clean
 	$(MAKE) -C hello_light clean
+	$(MAKE) -C hello_mod clean
 	$(MAKE) -C hello_multi_vag clean
+	$(MAKE) -C hello_multi_xa clean
+	$(MAKE) -C hello_ovl_exec clean
 	$(MAKE) -C hello_pad clean
 	$(MAKE) -C hello_poly clean
 	$(MAKE) -C hello_poly_ft clean
@@ -102,7 +105,10 @@ all:
 	$(MAKE) -C hello_poly_fun 
 	$(MAKE) -C hello_gte_opti 
 	$(MAKE) -C hello_light 
+	$(MAKE) -C hello_mod
 	$(MAKE) -C hello_multi_vag 
+	$(MAKE) -C hello_multi_xa 
+	$(MAKE) -C hello_ovl_exec
 	$(MAKE) -C hello_pad 
 	$(MAKE) -C hello_poly 
 	$(MAKE) -C hello_poly_ft 
diff --git a/hello_ovl_exec/Makefile b/hello_ovl_exec/Makefile
index cc145b1..af214d2 100644
--- a/hello_ovl_exec/Makefile
+++ b/hello_ovl_exec/Makefile
@@ -10,9 +10,6 @@ cleansub:
 	$(MAKE) -C hello_ovl_world clean
 	$(MAKE) clean
 	rm -f hello_ovl_exec.cue hello_ovl_exec.bin
-	rm -f *.mcd *.frag *.lua *.vert
-	rm -f */*.mcd */*.frag */*.lua */*.vert */*.elf
-#~ 	rm -f */*.mcd */*.frag */*.lua */*.vert */*.elf  */*.map  */*.ps-exe */*.o */*.dep
 	
 TARGET = hello_ovl_exec
 
diff --git a/hello_ovl_exec/README.md b/hello_ovl_exec/README.md
index 86f8520..37ae898 100644
--- a/hello_ovl_exec/README.md
+++ b/hello_ovl_exec/README.md
@@ -2,6 +2,6 @@ This example shows how to load overlays from the CD and execute them.
 
 Many thanks to @nicolasnobe for his help on getting this example working.
 
-More doc is coming soon at  
+See the wiki for more details on overlays in the context of PSX development :
 
 [https://github.com/ABelliqueux/nolibgs_hello_worlds/wiki/OVL](https://github.com/ABelliqueux/nolibgs_hello_worlds/wiki/OVL)  
\ No newline at end of file
diff --git a/thirdparty/nugget b/thirdparty/nugget
index 8b5e376..4fa6402 160000
--- a/thirdparty/nugget
+++ b/thirdparty/nugget
@@ -1 +1 @@
-Subproject commit 8b5e3761f826818319f41800e55319fc9654d965
+Subproject commit 4fa64028ee0b99c73cab9d7aee125f4d792b53c8