diff --git a/Fonderie/Makefile b/Fonderie/Makefile
index a6079de8..5ac2f87f 100644
--- a/Fonderie/Makefile
+++ b/Fonderie/Makefile
@@ -4,8 +4,9 @@
 
 COPT = -g -no-pie -Wall -DDEBUG_LEVEL=0 -Werror=parentheses
 LIBS = -lfloatimg -lpnglite -lm 
-OBJS = fonctions.o sfx.o crapulator.o
-DEPS = fonctions.h crapulator.h
+
+OBJS = fonctions.o sfx.o crapulator.o glitches.o metriques.o
+DEPS = fonctions.h crapulator.h metriques.h glitches.h
 
 all:	fonderie interpolator
 
@@ -29,7 +30,13 @@ sfx.o:	sfx.c ${DEPS} Makefile
 #	another way to brotch some pics...
 #
 
-interpolator:	interpolator.c ${OBJS} Makefile
+metriques.o:	metriques.[hc] Makefile
+	gcc ${COPT} -c $<
+
+glitches.o:	glitches.[hc] Makefile
+	gcc ${COPT} -c $<
+
+interpolator:	interpolator.c ${OBJS}  Makefile
 	gcc ${COPT} $< ${OBJS}  ${LIBS} -lz -o $@
 
 # ---------------------------------------------------------
diff --git a/Fonderie/fonderie.c b/Fonderie/fonderie.c
index fb316e08..4debfeed 100644
--- a/Fonderie/fonderie.c
+++ b/Fonderie/fonderie.c
@@ -155,7 +155,7 @@ else	{
 	fprintf(stderr, "\nelapsed %.2f seconds\n", fin);
 	}
 
-return 8;
+return 8;		/* why 9 ? */
 }
 /* -------------------------------------------------------------- */
 void help(void)
diff --git a/Fonderie/glitches.c b/Fonderie/glitches.c
new file mode 100644
index 00000000..a99d18d9
--- /dev/null
+++ b/Fonderie/glitches.c
@@ -0,0 +1,51 @@
+/*
+ * 		glitches.c
+ */
+
+#include  <stdio.h>
+#include  <stdlib.h>
+
+#include  "../floatimg.h"
+
+extern int		verbosity;
+
+/*   --------------------------------------------------------------   */
+int kill_a_random_line(FloatImg *pvictime, float fval, int notused)
+{
+int		line, xpos, offset;
+
+#if DEBUG_LEVEL
+fprintf(stderr, ">>> %s ( %p %d )\n", __func__, pvictime, notused);
+#endif
+
+line = rand() % pvictime->height;
+
+if (verbosity > 1) {
+	fprintf(stderr, "%s: try to kill line %d\n", __func__, line);
+	}
+
+offset = pvictime->width * line;
+
+for (xpos=offset; xpos<pvictime->width; xpos++) {
+	pvictime->R[offset] = fval;
+	pvictime->G[offset] = 0.0;
+	pvictime->B[offset] = fval;
+	}
+
+return 0;
+}
+/*   --------------------------------------------------------------   */
+int kill_a_few_lines(FloatImg *who, float fval, int number)
+{
+int		idx, foo;
+
+/* Frag the pixels */
+for (idx=0; idx<number; idx++) {
+	foo = kill_a_random_line(who, fval, 0);
+	if (foo)	abort();
+	}
+
+return foo;
+}
+/*   --------------------------------------------------------------   */
+
diff --git a/Fonderie/glitches.h b/Fonderie/glitches.h
new file mode 100644
index 00000000..9e7ccef8
--- /dev/null
+++ b/Fonderie/glitches.h
@@ -0,0 +1,9 @@
+/*
+ * 		glitches.h
+ */
+
+int kill_a_random_line(FloatImg *pvictime, float level, int notused);
+int kill_a_few_lines(FloatImg *who, float fval, int number);
+
+
+/* this is a wtf file */
diff --git a/Fonderie/interpolator.c b/Fonderie/interpolator.c
index 918d495e..8bcc2761 100644
--- a/Fonderie/interpolator.c
+++ b/Fonderie/interpolator.c
@@ -14,6 +14,7 @@
 
 #include  "../floatimg.h"
 
+#include  "glitches.h"
 #include  "crapulator.h"
 
 // XXX #include  "fonctions.h"
@@ -24,7 +25,7 @@ int		convert_to_gray;	/* needed by fonctions.c */
 /* -------------------------------------------------------------- */
 int interpolator(char *pattern, char *outdir, int Nsteps)
 {
-FloatImg	A, B, Out, *pFirst, *pSecond, *pTmp;
+FloatImg	A, B, Out, *pFirst, *pSecond;
 glob_t		globbuf;
 int		foo, idx, ipng, w, h, step;
 int		iarray[3];
@@ -51,15 +52,13 @@ fimg_create(&A,   w, h, 3);	pFirst  = &A;
 fimg_create(&B,   w, h, 3);	pSecond = &B;
 fimg_create(&Out, w, h, 3);
 
-pTmp = NULL;
-
 ipng = 0;
 for (idx=0; idx<globbuf.gl_pathc; idx++) {
 
 	cptr = globbuf.gl_pathv[idx];
 
 	/* read the next file in B */
-	fprintf(stderr, "loading %s\n", cptr);
+	fprintf(stderr, "loading %s\r", cptr);
 	foo = fimg_load_from_dump(cptr, &B);
 	if (foo) {
 		fprintf(stderr, "load #%d from dump -> %d\n", idx, foo);
@@ -68,7 +67,7 @@ for (idx=0; idx<globbuf.gl_pathc; idx++) {
 
 	/* here, we can insert the input filter */
 	/* OK try it ... */
-	foo = crapulator(&B, 8, 1.0);
+	foo = crapulator(&B, 0, 256.7);
 	if (foo) {
 		fprintf(stderr, "crapulator failure %d\n", foo);
 		exit(1);
@@ -79,6 +78,7 @@ for (idx=0; idx<globbuf.gl_pathc; idx++) {
 		fimg_interpolate(pSecond, pFirst, &Out, coef);
 
 		/* here we can insert the output filter */
+		kill_a_few_lines(&Out, 3.14159, 500);
 
 		sprintf(line, "%s/%05d.png", outdir, ipng);
 		foo = fimg_save_as_png(&Out, line, 0);
@@ -106,15 +106,35 @@ fprintf(stderr, "generated %d png files\n", ipng);
 return 0;
 }
 /* -------------------------------------------------------------- */
+void help(void)
+{
+puts("\tINTERPOLATOR\noptions:");
+
+/*	may be we can make options incoherent, like 
+ *	the options of 'fonderie' software ?
+ */
+
+exit(0);
+}
+/* -------------------------------------------------------------- */
 int main (int argc, char *argv[])
 {
 int		foo;
 int		nbrsteps = 9;
+int		opt;
 
 fprintf(stderr, "*** %s : compiled by tTh, %s %s\n", __FILE__,
 			__DATE__, __TIME__);
 fimg_print_version(2);
 
+while ((opt = getopt(argc, argv, "v")) != -1) {
+	switch(opt) {
+		case 'v':	verbosity++;		break;
+		}
+	}
+
+/*              TO BE CONTINUED 		*****/
+
 if (4 != argc) {
 	fprintf(stderr, "args: <in globpattern> <out dir> <nbrsteep>\n");
 	exit(1);
@@ -124,7 +144,7 @@ nbrsteps = atoi(argv[3]);
 
 foo = interpolator(argv[1], argv[2], nbrsteps);
 
-fprintf(stderr, "interpolator -> %d\n", foo);
+fprintf(stderr, "interpolator give a %d score\n", foo);
 
 return 0;
 }
diff --git a/Fonderie/metriques.c b/Fonderie/metriques.c
index d878b0c9..df03ae45 100644
--- a/Fonderie/metriques.c
+++ b/Fonderie/metriques.c
@@ -4,6 +4,8 @@
 
 #include  <stdio.h>
 
+#include  "../floatimg.h"
+
 extern int		verbosity;
 
 /*   --------------------------------------------------------------   */