diff --git a/tutorial1/initial.lmp b/tutorial1/initial.lmp
index d8eec81..46473a4 100644
--- a/tutorial1/initial.lmp
+++ b/tutorial1/initial.lmp
@@ -24,6 +24,8 @@ compute eng all pe/atom
 compute eatoms all reduce sum c_eng
 
 # 4) Monitoring
+compute eng all pe/atom
+compute eatoms all reduce sum c_eng
 thermo 10
 thermo_style custom step pe c_eatoms press lx ly lz
 
diff --git a/tutorial1/shifted.lmp b/tutorial1/shifted.lmp
index aa2340a..000a17a 100644
--- a/tutorial1/shifted.lmp
+++ b/tutorial1/shifted.lmp
@@ -39,7 +39,7 @@ minimize 1.0e-12 1.0e-12 10000 100000
 variable ncell equal 4
 variable a0    equal lx/v_ncell
 variable ecoh  equal pe/count(all)
-print "----------------------------------------------------"
+print "------- EAM: Al_zhou.eam.alloy ---------------------"
 print "Number of atoms        = $(count(all))"
 print "Equilibrium a0 (Ang)   = ${a0}"
 print "Cohesive energy (eV)   = ${ecoh}"
diff --git a/tutorial1/solution/metals-fcc-0.0-0.png b/tutorial1/solution/metals-fcc-0.0-0.png
deleted file mode 100644
index fea9be6..0000000
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diff --git a/tutorial1/solution/metals-fcc-0.25-0.png b/tutorial1/solution/metals-fcc-0.25-0.png
deleted file mode 100644
index 14b8ae9..0000000
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diff --git a/tutorial1/solution/metals-fcc-0.png b/tutorial1/solution/metals-fcc-0.png
new file mode 100644
index 0000000..36b4cc3
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diff --git a/tutorial1/solution/render.lmp b/tutorial1/solution/render.lmp
index cf5451e..648de57 100644
--- a/tutorial1/solution/render.lmp
+++ b/tutorial1/solution/render.lmp
@@ -4,10 +4,10 @@
 # By Simon Gravelle, Mark A. Tschopp, Jacob R. Gissinger, and Axel Kohlmeyer
 # Tutorial 1: Generate figures. Use the "Run->Set Variables dialog to change "o" to 0.25
 
-variable o   index 0.0
-
 units metal
-lattice fcc 4.049  origin $o $o $o
+
+# adjust origin as desired
+lattice fcc 4.049 origin 0.25 0.25 0.25
 region box block 0 4 0 4 0 4
 create_box 1 box
 create_atoms 1 box
@@ -15,8 +15,9 @@ create_atoms 1 box
 pair_style eam/alloy
 pair_coeff * * Al_zhou.eam.alloy Al
 
-dump viz all image 1 metals-fcc-${o}-*.png element type &
+dump viz all image 1 metals-fcc-*.png element type &
      view 60 -40 zoom 1.2 box yes 0.028 size 1200 1200 &
      adiam 2.6 shiny 0.15 ssao yes 4539 0.5 fsaa yes
 dump_modify viz backcolor white boxcolor midnightblue
+
 run 0 post no
diff --git a/tutorial4/solution/dimer-1x1.png b/tutorial4/solution/dimer-1x1.png
new file mode 100644
index 0000000..7ba8b29
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diff --git a/tutorial4/solution/dimer-2x1.png b/tutorial4/solution/dimer-2x1.png
new file mode 100644
index 0000000..ca633c2
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