Bloom and Vignette is only activated on Fantastic-Quality level.

Assets/Scripts/CameraPostProFilter.cs

+using UnityEngine;
+using System.Collections;
+using UnityStandardAssets.ImageEffects;
+public class CameraPostProFilter : MonoBehaviour {
+
+	void Start () {
+    if (QualitySettings.GetQualityLevel() > 0)
+    {
+
+      VignetteAndChromaticAberration vignette = GetComponent<VignetteAndChromaticAberration>();
+      if (vignette) vignette.enabled = true;
+
+      BloomOptimized bloom = GetComponent<BloomOptimized>();
+      if (bloom) bloom.enabled = true;
+    }
+    
+	}
+	
+}

Assets/Scripts/CameraPostProFilter.cs.meta

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