diff --git a/floatimg.h b/floatimg.h
index c9276bf..60d94a5 100644
--- a/floatimg.h
+++ b/floatimg.h
@@ -2,7 +2,7 @@
  *	floatimg.h
  */
 
-#define		FIMG_VERSION	84
+#define		FIMG_VERSION	85
 
 /*
  *	in memory descriptor
@@ -91,6 +91,10 @@ int fimg_cos_010(FloatImg *s, FloatImg *d, double maxval);
 
 int fimg_mk_gray_from(FloatImg *src, FloatImg*dst, int k);
 
+/*	module funcs/rampes.c		*/
+int fimg_hdeg_a(FloatImg *img, double dcoef);
+int fimg_vdeg_a(FloatImg *img, double dcoef);
+
 /*	FIMG files module		*/
 int   fimg_fileinfos(char *fname, int *datas);
 int   fimg_dump_to_file(FloatImg *head, char *fname, int notused);
diff --git a/tools/fimgfx.c b/tools/fimgfx.c
index 0d15850..03eef01 100644
--- a/tools/fimgfx.c
+++ b/tools/fimgfx.c
@@ -55,7 +55,11 @@ static void help(int lvl)
 {
 Fx		*fx;
 
-puts("--- fimg special effects ---");
+puts("------ fimg special effects ------");
+puts("usage:");
+puts("\tfimgfix [options] <effect> source.fimg resultat.fimg");
+
+puts("effects:"); 
 printf("\t");
 for (fx=fx_list; fx->name; fx++) {
 	printf("%s ", fx->name);
diff --git a/tools/mkfimg.c b/tools/mkfimg.c
index fbe6cd7..c35f512 100644
--- a/tools/mkfimg.c
+++ b/tools/mkfimg.c
@@ -12,6 +12,9 @@ int		verbosity;
 #define		T_BLACK		1
 #define		T_DRAND48	2
 #define		T_GRAY		3
+#define		T_HDEG_A	4
+#define		T_VDEG_A	5
+
 typedef struct {
 	int		code;
 	char		*name;
@@ -21,7 +24,11 @@ Type types[] = {
 	{ T_BLACK,	"black"			},
 	{ T_DRAND48,	"drand48"		},
 	{ T_GRAY,	"gray"			},
-	{ T_GRAY,	"grey"			}
+	{ T_GRAY,	"grey"			},
+	{ T_HDEG_A,	"hdeg"			},
+	{ T_VDEG_A,	"vdeg"			},
+
+	{ 0,		NULL			}
 	};
 
 static int get_type(char *name)
@@ -35,7 +42,6 @@ fprintf(stderr, ">>> %s ( '%s' )\n", __func__, name);
 // #define TEST(str)	( ! strcmp(name, str) )
 
 for (type = types; type->code; type++) {
-	// printf("\t%-15s %d\n", type->name, type->code);
 	if (!strcmp(name, type->name)) {
 		return type->code;
 		}
@@ -46,13 +52,16 @@ return -1;
 /* --------------------------------------------------------------------- */
 static void help(int lj)
 {
+int		foo;
 
 puts("Usage:\tmkfimg [options]  quux.fimg width height");
 
 puts("\t-k N.N\tgive a float parameter");
-puts("\t-t bla\t\thowto make the pic");
-puts("\t\t\tblack, drand48...");
-puts("\t-v\tincrease verbosity");
+fputs("\t-t bla\thowto make the pic\n\t\t", stdout);
+for (foo=0; types[foo].code; foo++) {
+	printf("%s ", types[foo].name);
+	}
+puts("\n\t-v\tincrease verbosity");
 
 if (verbosity) fimg_print_version(1);
 
@@ -114,6 +123,8 @@ switch(type) {
 	case T_DRAND48:		fimg_drand48(&fimg, fvalue);	break;
 	case T_GRAY:		fimg_rgb_constant(&fimg, fvalue, fvalue, fvalue);
 				break;
+	case T_HDEG_A:		fimg_hdeg_a(&fimg, 1.0);	break;
+	case T_VDEG_A:		fimg_vdeg_a(&fimg, 1.0);	break;
 	}
 
 foo = fimg_dump_to_file(&fimg, fname, 0);