diff --git a/app/src/main/java/xyz/quaver/pupil/ui/dialog/DefaultQueryDialog.kt b/app/src/main/java/xyz/quaver/pupil/ui/dialog/DefaultQueryDialog.kt
index 6506cfab..09341979 100644
--- a/app/src/main/java/xyz/quaver/pupil/ui/dialog/DefaultQueryDialog.kt
+++ b/app/src/main/java/xyz/quaver/pupil/ui/dialog/DefaultQueryDialog.kt
@@ -19,7 +19,6 @@
 package xyz.quaver.pupil.ui.dialog
 
 import android.annotation.SuppressLint
-import android.app.AlertDialog
 import android.content.Context
 import android.os.Bundle
 import android.text.Editable
@@ -27,6 +26,7 @@ import android.text.TextWatcher
 import android.view.LayoutInflater
 import android.view.View
 import android.widget.ArrayAdapter
+import androidx.appcompat.app.AlertDialog
 import androidx.preference.PreferenceManager
 import kotlinx.android.synthetic.main.dialog_default_query.view.*
 import xyz.quaver.pupil.R
diff --git a/app/src/main/java/xyz/quaver/pupil/ui/fragment/SettingsFragment.kt b/app/src/main/java/xyz/quaver/pupil/ui/fragment/SettingsFragment.kt
index 7657fd5b..58d8af96 100644
--- a/app/src/main/java/xyz/quaver/pupil/ui/fragment/SettingsFragment.kt
+++ b/app/src/main/java/xyz/quaver/pupil/ui/fragment/SettingsFragment.kt
@@ -137,6 +137,8 @@ class SettingsFragment :
                         onPositiveButtonClickListener = { newTags ->
                             sharedPreferences.edit().putString("default_query", newTags.toString()).apply()
                             summary = newTags.toString()
+                            dismiss()   //This sucks
+                            // TODO: make dialog dissmiss itself :P
                         }
                     }.show()
                 }
diff --git a/app/src/main/java/xyz/quaver/pupil/util/GalleryDownloader.kt b/app/src/main/java/xyz/quaver/pupil/util/GalleryDownloader.kt
index 2eb58b08..660bb913 100644
--- a/app/src/main/java/xyz/quaver/pupil/util/GalleryDownloader.kt
+++ b/app/src/main/java/xyz/quaver/pupil/util/GalleryDownloader.kt
@@ -166,6 +166,8 @@ class GalleryDownloader(
     fun start() {
         downloadJob = CoroutineScope(Dispatchers.Default).launch {
             val reader = reader!!.await() ?: return@launch
+            val lowQuality = PreferenceManager.getDefaultSharedPreferences(this@GalleryDownloader)
+                .getBoolean("low_quality", false)
 
             notificationBuilder.setContentTitle(reader.title)
 
@@ -177,15 +179,15 @@ class GalleryDownloader(
                 .setProgress(reader.galleryInfo.size, 0, false)
                 .setContentText("0/${reader.galleryInfo.size}")
 
-            reader.galleryInfo.chunked(4).forEachIndexed { chunkIndex, chunked ->
-                chunked.mapIndexed { i, galleryInfo ->
+            reader.galleryInfo.chunked(4).forEachIndexed { chunkIndex, chunk ->
+                chunk.mapIndexed { i, galleryInfo ->
                     val index = chunkIndex*4+i
 
                     async(Dispatchers.IO) {
                         val url = when(useHiyobi) {
-                            true -> createImgList(galleryID, reader)[index].path
+                            true -> createImgList(galleryID, reader, lowQuality)[index].path
                             false -> when {
-                                (!galleryInfo.hash.isNullOrBlank()) and (galleryInfo.haswebp == 1) ->
+                                (!galleryInfo.hash.isNullOrBlank()) && (galleryInfo.haswebp == 1) && lowQuality ->
                                     urlFromUrlFromHash(galleryID, galleryInfo, "webp")
                                 else ->
                                     urlFromUrlFromHash(galleryID, galleryInfo)
diff --git a/app/src/main/res/layout/nav_header_main.xml b/app/src/main/res/layout/nav_header_main.xml
index 05a58114..22f041be 100644
--- a/app/src/main/res/layout/nav_header_main.xml
+++ b/app/src/main/res/layout/nav_header_main.xml
@@ -19,7 +19,6 @@
 
 <ImageView
     xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
     android:layout_height="@dimen/nav_header_height"
     android:background="@drawable/side_nav_bar"
diff --git a/app/src/main/res/values-ja/strings.xml b/app/src/main/res/values-ja/strings.xml
index 37dc05d8..089769bd 100644
--- a/app/src/main/res/values-ja/strings.xml
+++ b/app/src/main/res/values-ja/strings.xml
@@ -118,4 +118,6 @@
     <string name="update_download_completed_description">ここをクリックしてアップデートを行えます</string>
     <string name="settings_beta">ベータチャンネルでアップデートを受信</string>
     <string name="settings_app_version_description">v%s</string>
+    <string name="settings_low_quality">低解像度イメージ</string>
+    <string name="settings_low_quality_summary">ロード速度とデータ使用料を改善するため低解像度イメージをロード</string>
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/values-ko/strings.xml b/app/src/main/res/values-ko/strings.xml
index f574795f..323652db 100644
--- a/app/src/main/res/values-ko/strings.xml
+++ b/app/src/main/res/values-ko/strings.xml
@@ -118,4 +118,6 @@
     <string name="update_download_completed_description">여기를 클릭해서 업데이트를 진행할 수 있습니다</string>
     <string name="settings_beta">베타 채널에서 업데이트</string>
     <string name="settings_app_version_description">v%s</string>
+    <string name="settings_low_quality">저해상도 이미지</string>
+    <string name="settings_low_quality_summary">로드 속도와 데이터 사용량을 줄이기 위해 저해상도 이미지를 로드</string>
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index df9688b9..18e36b99 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -140,6 +140,8 @@
     <string name="settings_dl_location_removable">Removable Storage</string>
     <string name="settings_dl_location_internal">Internal Storage</string>
     <string name="settings_dl_location_available">%s available</string>
+    <string name="settings_low_quality">Low quality images</string>
+    <string name="settings_low_quality_summary">Load low quality images to improve load speed and data usage</string>
 
     <!-- SETTINGS/APP LOCK -->
 
diff --git a/app/src/main/res/xml/root_preferences.xml b/app/src/main/res/xml/root_preferences.xml
index 17e0b78c..6b7bc320 100644
--- a/app/src/main/res/xml/root_preferences.xml
+++ b/app/src/main/res/xml/root_preferences.xml
@@ -3,12 +3,12 @@
     xmlns:app="http://schemas.android.com/apk/res-auto">
 
     <Preference
-        app:title="@string/settings_app_version_title"
-        app:key="app_version"/>
+        app:key="app_version"
+        app:title="@string/settings_app_version_title"/>
 
     <SwitchPreferenceCompat
-        app:title="@string/settings_beta"
-        app:key="beta"/>
+        app:key="beta"
+        app:title="@string/settings_beta"/>
 
     <PreferenceCategory
         app:title="@string/settings_search_title">
@@ -32,20 +32,25 @@
         app:title="@string/settings_storage">
 
         <Preference
-            app:title="@string/settings_clear_cache"
-            app:key="delete_cache"/>
+            app:key="delete_cache"
+            app:title="@string/settings_clear_cache"/>
 
         <Preference
-            app:title="@string/settings_clear_downloads"
-            app:key="delete_downloads"/>
+            app:key="delete_downloads"
+            app:title="@string/settings_clear_downloads"/>
 
         <Preference
-            app:title="@string/settings_clear_history"
-            app:key="clear_history"/>
+            app:key="clear_history"
+            app:title="@string/settings_clear_history"/>
 
         <Preference
-            app:title="@string/settings_dl_location"
-            app:key="dl_location"/>
+            app:key="dl_location"
+            app:title="@string/settings_dl_location"/>
+
+        <SwitchPreferenceCompat
+            app:key="dl_low_quality"
+            app:title="@string/settings_low_quality"
+            app:summary="@string/settings_low_quality_summary"/>
 
     </PreferenceCategory>
 
@@ -53,8 +58,8 @@
         app:title="@string/settings_app_lock">
 
         <Preference
-            app:title="@string/settings_app_lock_type"
-            app:key="app_lock"/>
+            app:key="app_lock"
+            app:title="@string/settings_app_lock_type"/>
 
     </PreferenceCategory>
 
diff --git a/libpupil/src/main/java/xyz/quaver/hiyobi/reader.kt b/libpupil/src/main/java/xyz/quaver/hiyobi/reader.kt
index 07c0a357..d464e0f4 100644
--- a/libpupil/src/main/java/xyz/quaver/hiyobi/reader.kt
+++ b/libpupil/src/main/java/xyz/quaver/hiyobi/reader.kt
@@ -79,5 +79,11 @@ fun getReader(galleryID: Int) : Reader {
     return Reader(Reader.Code.HIYOBI, title, galleryInfo)
 }
 
-fun createImgList(galleryID: Int, reader: Reader) =
-    reader.galleryInfo.map { Images("$protocol//$hiyobi/data/$galleryID/${it.name}", galleryID, it.name) }
\ No newline at end of file
+fun createImgList(galleryID: Int, reader: Reader, lowQuality: Boolean = false) =
+    if (lowQuality)
+        reader.galleryInfo.map {
+            val name = it.name.replace(Regex("/.[^/.]+$"), "") + ".jpg"
+            Images("$protocol//$hiyobi/data/$galleryID/$name.jpg", galleryID, it.name)
+        }
+    else
+        reader.galleryInfo.map { Images("$protocol//$hiyobi/data/$galleryID/${it.name}", galleryID, it.name) }
\ No newline at end of file