diff --git a/stpkg b/stpkg
index f713552b60b283d92799ae106f1e5b80a13dd6fb..79372f711f7e3ed1f527a952f0785caeb71d4d5a 100755
--- a/stpkg
+++ b/stpkg
@@ -171,7 +171,7 @@ file_get_height() {
     echo "$HEIGHT"
 }
 
-file_get_type() { [[ "$1" =~ .*\.gif ]] && echo 'gif' || echo 'png'; }
+file_get_type() { [[ "$1" == *.gif ]] && echo 'gif' || echo 'png'; }
 file_get_name() { echo "$1" | cut -f1 -d'.'; }
 
 upload_file() {
@@ -195,7 +195,9 @@ picture_process_sticker() {
     local HEIGHT=$5 # The HEIGHT!
     local TYPE=$6   # The type of the file (png/gif)
 
-    local OPTS=`[ "$TYPE" = "png" ] && echo '-type TrueColor PNG32:' || echo ''`
+    local OPTS=`[ "$TYPE" = "png" ] && echo '-type TrueColor PNG32:' || echo ' -coalesce '`
+
+    info "File '$FILE' => '$DEST' ($TYPE) | OPTS = '$OPTS'"
 
     convert "$FILE" -bordercolor none -border 1 "$DEST" 1>&2    && progress_dot || die "$NAME failed on border"
     convert "$DEST" -trim +repage "$DEST" 1>&2                  && progress_dot || die "$NAME failed on trim"
@@ -597,7 +599,7 @@ __edit() {
             local DEST=$(mktemp --suffix=".$TYPE")
 
             picture_process_sticker "$FILE" "$DEST" "$NAME" "$WIDTH" "$HEIGHT" "$TYPE"  # Transform sticker picture (see __pack)
-            upload_file "$TYPE" "$DEST" "$NAME"                                         # Upload transformed file (see __pack)
+            local MXC=$(upload_file "$TYPE" "$DEST" "$NAME")                            # Upload transformed file (see __pack)
 
             jq "del(.stickers[] | select(.body == \"$STICKER_NAME\"))" < "$TEMP" | sponge "$TEMP"
             local ST_JSON=$(create_sticker_json "$PACK_NAME" "$NAME" "$WIDTH" "$HEIGHT" "$TYPE" "$MXC")
@@ -723,15 +725,15 @@ __pack() {
         echo -n "$FIRST_IN_ARRAY" >> $DEST_INDEX
 
         # Upload the transformed file
-        upload_file "$TYPE" "$DEST" "$NAME"
+        local MXC=$(upload_file "$TYPE" "$DEST" "$NAME")
         progress_dot
 
         # Calculate the 128x128 format
         local INIT_WIDTH=$WIDTH
         local INIT_HEIGHT=$HEIGHT
         picture_resize_preview "$DEST" "$NAME"
-        local WIDTH=$( identify -format "%w" "$DEST") >/dev/null
-        local HEIGHT=$(identify -format "%h" "$DEST") >/dev/null
+        local WIDTH=$( identify -format "%w" "$DEST[0]") >/dev/null
+        local HEIGHT=$(identify -format "%h" "$DEST[0]") >/dev/null
 
         # Add the sticker to the index file
         create_sticker_json "$PACK_NAME" "$NAME" "$WIDTH" "$HEIGHT" "$TYPE" "$MXC" >> $DEST_INDEX
diff --git a/updatePacks.py b/updatePacks.py
deleted file mode 100644
index 12dab54eee21a472ba1c292bb85bc2e11ec6be39..0000000000000000000000000000000000000000
--- a/updatePacks.py
+++ /dev/null
@@ -1,62 +0,0 @@
-import json
-import sys
-from colorama import Fore, Back, Style
-
-# Pack is updated only if index and description are given
-update = False
-if len(sys.argv) <= 1 or len(sys.argv) == 3:
-    print("Usage : python updatePacks.py pack.json [sticker_index] [new_description]")
-    exit(1)
-elif len(sys.argv) > 3:
-    update = True
-
-# Read the pack file
-with open(sys.argv[1],'r') as myfile:
-    stickerpack = myfile.read()
-
-# Parse the pack
-json_pack = json.loads(stickerpack)
-nb_stickers = len(json_pack['stickers'])
-    
-    
-if update == False:
-
-    # Print the number of stickers in this pack
-    print("There are " + str(nb_stickers) + " stickers in this pack: ")
-    for i in range(nb_stickers):
-        print("\t"+str(i+1) + ". " + json_pack['stickers'][i]['body'])
-
-    # Print how to update the description of a sticker
-    print("To update a sticker, replace the arguments in red:")
-    print(Fore.CYAN +Style.BRIGHT + "python " +Style.RESET_ALL+ "updatePacks.py " + sys.argv[1] + Fore.RED + Style.BRIGHT+" sticker_index 'new_description'")
-    exit(0)
-
-# Informations
-sticker_index = int(sys.argv[2])
-new_body = sys.argv[3]
-
-
-# Change the body of the sticker_index
-if sticker_index > nb_stickers:
-    print("Index out of range : "+ str(sticker_index) + " > "+str(nb_stickers))
-    exit(1)
-elif sticker_index == 0:
-    print("Index starts at 1")
-    exit(1)
-else:
-    # Update the body of the sticker
-    json_pack['stickers'][sticker_index-1]['body'] = new_body
-
-    # Print the body of all the stickers
-    print(Fore.GREEN + 'Updated!'+ Style.RESET_ALL)
-    print("New sticker pack:")
-    for i in range(nb_stickers):
-        if i == sticker_index-1: 
-            print("\t "+Fore.GREEN+str(i+1) + ". " + json_pack['stickers'][i]['body']+Style.RESET_ALL)
-        else:
-            print("\t "+str(i+1) + ". " + json_pack['stickers'][i]['body'])
-
-    # Replace the old pack.json by the updated one
-    out_file = open(sys.argv[1], 'w')
-    json.dump(json_pack, out_file, indent = 3)
-