diff --git a/Fonderie/crapulator.c b/Fonderie/crapulator.c
index 0dfd4a4..931aaaa 100644
--- a/Fonderie/crapulator.c
+++ b/Fonderie/crapulator.c
@@ -9,6 +9,7 @@
 
 #include  "fonctions.h"
 #include  "crapulator.h"
+#include  "glitches.h"
 
 /* -------------------------------------------------------------- */
 static int effect_3(FloatImg *image)
@@ -118,7 +119,7 @@ switch (idFx) {
 		break;
 			/* --- WTF -- */
 	case 25:
-		retval = vertical_singlitch(image, 250, fval, 18, 0);
+		retval = vertical_singlitch(image, 250+rand()%15 , fval, 18, 0);
 		break;
 	default :
 		fprintf(stderr, "%s : effect #%d invalid\n", 
diff --git a/Fonderie/interpolator.c b/Fonderie/interpolator.c
index 273e120..427313e 100644
--- a/Fonderie/interpolator.c
+++ b/Fonderie/interpolator.c
@@ -16,6 +16,7 @@
 
 #include  "../floatimg.h"
 
+#include  "fonctions.h"
 #include  "glitches.h"
 #include  "crapulator.h"
 #include  "metriques.h"
@@ -83,10 +84,12 @@ if (method) {
 	qsort(idxvalues, nombre, sizeof(IdxValue), cmp_idxvalues);
 	}
 
-for (idx=0; idx<nombre; idx++) {
-	printf("%5d   %9.6f  %5d\n", idx,
-			idxvalues[idx].value, idxvalues[idx].idx);
-	fflush(stdout);
+if (verbosity) {
+	for (idx=0; idx<nombre; idx++) {
+		printf("%5d   %9.6f  %5d\n", idx,
+				idxvalues[idx].value, idxvalues[idx].idx);
+		fflush(stdout);
+		}
 	}
 
 return 0;
@@ -115,7 +118,6 @@ memset(&globbuf, 0, sizeof(glob_t));
 foo = glob(pattern, 0, NULL, &globbuf);
 fprintf(stderr, "globbing '%s' -> %d, %ld files found\n",
 			pattern, foo, globbuf.gl_pathc);
-
 if (0 == globbuf.gl_pathc) {
 	fprintf(stderr, "%s : no file found, aborting\n", __func__);
 	return -1;
@@ -135,8 +137,11 @@ w = iarray[0], h = iarray[1];
 fprintf(stderr, "first image size : %dx%d\n", w, h);
 
 fimg_create(&A,   w, h, 3);	pFirst  = &A;
+// brotche_rand48_a(&A, 0.10,  250.555);
 fimg_create(&B,   w, h, 3);	pSecond = &B;
+// brotche_rand48_a(&B, 0.10,  250.555);
 fimg_create(&Out, w, h, 3);
+// brotche_rand48_a(&Out, 0.10,  250.555);
 
 ipng = 0;
 for (idx=0; idx<globbuf.gl_pathc; idx++) {
diff --git a/Fonderie/t.c b/Fonderie/t.c
index fafcb0b..5948505 100644
--- a/Fonderie/t.c
+++ b/Fonderie/t.c
@@ -4,6 +4,7 @@
 
 #include  <stdio.h>
 #include  <stdlib.h>
+#include  <unistd.h>
 
 #include  "../floatimg.h"
 #include  "glitches.h"
@@ -13,8 +14,8 @@
 int		verbosity;
 
 #define		PNG	"out.png"
-#define		W	512
-#define		H	256
+#define		W	800
+#define		H	600
 #define		LMAX	233.333
 #define		TIMER	1
 
@@ -34,15 +35,17 @@ if (foo) {
 	fprintf(stderr, "err %d create image\n", foo);
 	exit(1);
 	}
-fimg_vdeg_a(&image, LMAX);
 
+srand(getpid());
 debut = fimg_timer_set(TIMER);
 
-for (iter=0; iter<64; iter++) {
+for (iter=0; iter<72; iter++) {
 
-	for (bloub=0; bloub<5; bloub++) {
+	fimg_vdeg_a(&image, LMAX);
+
+	for (bloub=0; bloub<7; bloub++) {
 		xloc = rand() % W;
-		omega = (float)(0.1 + drand48()*0.8) * 0.5;
+		omega = (float)(0.1 + drand48()*0.6) * 0.4;
 		foo = vertical_singlitch(&image, xloc, LMAX,
 						omega, (float)iter);
 		if (foo) abort();