+ random blocks 8x8

Fonderie/crapulator.c

@@ -221,6 +221,11 @@ switch (idFx) {
 		retval = vertical_singlitch(image, 290+rand()%45,
 							fval, 0.19, 0);
 		break;
+
+	case 26:
+		retval = random_blocks(image, 80);
+		break;
+
 	default :
 		fprintf(stderr, "%s : effect #%d invalid\n", 
 				__func__, idFx);