diff --git a/src/visualization.jl b/src/visualization.jl
index 3f5b91d..5554233 100644
--- a/src/visualization.jl
+++ b/src/visualization.jl
@@ -163,20 +163,49 @@ function build_ui(U, V, param_obs_map::NamedTuple, params_obs, heat_obs)
     
     # Template Control
     on(btn_zebra.clicks) do _
+        # add column to center of matrix
         U, V = Templates.column_ic(params_obs[].N)
+
+        hm.colormap[] = :berlin
+
+        # change params
+        param_obs_map.Du[] = 0.016
+        param_obs_map.Dv[] = 0.1
+        param_obs_map.ϵ[] = 0.1
+        param_obs_map.a[] = 0.5
+        param_obs_map.b[] = 0.9
         heat_obs[] = copy(U)
     end
 
     # Template Control
     on(btn_cheetah.clicks) do _
+        # fill matrix with random noise
         U = 0.05 .* (2 .* rand(params_obs[].N, params_obs[].N) .- 1)  # noise in [-0.05, 0.05]
         V = 0.05 .* (2 .* rand(params_obs[].N, params_obs[].N) .- 1)
+
+        hm.colormap[] = :magma
+
+        # change params
+        param_obs_map.Du[] = 0.182
+        param_obs_map.Dv[] = 0.5
+        param_obs_map.ϵ[] = 0.05
+        param_obs_map.a[] = 0.2
+        param_obs_map.b[] = 2.0
         heat_obs[] = copy(U)
     end
 
     # Template Control
     on(btn_coral.clicks) do _
         U, V = Templates.coral_ic(params_obs[].N)
+        
+        hm.colormap[] = :plasma
+
+        # change params
+        param_obs_map.Du[] = 0.001
+        param_obs_map.Dv[] = 0.06
+        param_obs_map.ϵ[] = 0.05
+        param_obs_map.a[] = 0.0
+        param_obs_map.b[] = 1.2
         heat_obs[] = copy(U)
     end