diff --git a/BloubWorld/movebloubs.f90 b/BloubWorld/movebloubs.f90
index 20c2551..2468504 100644
--- a/BloubWorld/movebloubs.f90
+++ b/BloubWorld/movebloubs.f90
@@ -75,16 +75,13 @@ program movebloubs
 
   enddo
 
-  if (add_new_bloub) then
-    ! and now, we inject a new bloub in the universe
-    bloub%nick = 'newbie  '
-    bloub%alive = .TRUE.
-    call random_pv(bloub)
-    bloub%radius = 0.045
-    bloub%seq    = 0
+  ! ok, we have read all the bloubs in the input file
+
+  ! insert some fancy conditional here
+  if (add_new_bloub) then
+
+    call add_more_bloubs(outu, 8, 0.095)
 
-    call display_bloub (bloub, "new bloub")
-    write(outu) bloub     ! no error control ?
   endif
 
   close(inu)    ;    close(outu)
@@ -98,5 +95,29 @@ program movebloubs
   bz = bz / dble(compteur)
   write (0, '(A,3(F12.6,3X))') "barycentre : ", bx, by, bz
 
+! --------------------------------------------------------------
+contains
 
-end program
\ No newline at end of file
+  subroutine add_more_bloubs(un, nbre, wtf)
+  integer, intent(in)        :: un, nbre
+  real,    intent(in)        :: wtf
+  type(t_bloubs)             :: bloub
+  integer                    :: foo
+
+  do foo=1, nbre
+
+    bloub%nick = 'newbie  '
+    bloub%alive = .TRUE.
+    call random_pv(bloub)
+    bloub%radius = wtf
+    bloub%seq    = foo
+    call display_bloub (bloub, "new bloub")
+    write(un) bloub              ! no error control ?
+
+  enddo
+
+  end subroutine
+
+! --------------------------------------------------------------
+
+end program movebloubs