handle transparent images when importing symbols

data/ch-s.mse-locale/locale

@@ -1094,6 +1094,8 @@ error:
 	negative image height:				Image with zero or negative height created in function '%s'
 	#TODO: Localize
 	can't load image:					Failed to load image. Ensure the image's actual format matches its saved extension.
+	#TODO: Localize
+	symbol image has alpha:				For best results, image should be black and white with no transparency.
 
 	# error from files
 	#TODO: Localize

data/ch-t.mse-locale/locale

@@ -1092,6 +1092,8 @@ error:
 	negative image height:				Image with zero or negative height created in function '%s'
 	#TODO: Localize
 	can't load image:					Failed to load image. Ensure the image's actual format matches its saved extension.
+	#TODO: Localize
+	symbol image has alpha:				For best results, image should be black and white with no transparency.
 
 	# error from files
 	#TODO: Localize

data/da.mse-locale/locale

@@ -1119,6 +1119,8 @@ error:
 	negative image height:				Image with zero or negative height created in function '%s'
 	#TODO: Localize
 	can't load image:					Failed to load image. Ensure the image's actual format matches its saved extension.
+	#TODO: Localize
+	symbol image has alpha:				For best results, image should be black and white with no transparency.
 
 	# error from files
 	#TODO: Localize Section

data/de.mse-locale/locale

@@ -1021,6 +1021,7 @@ error:
 	negative image width:				Bild mit Breite Null oder negativer Breite, erstellt in der Funktion '%s'
 	negative image height:				Bild mit Höhe Null oder negativer Höhe, erstellt in der Funktion '%s'
 	can't load image:					Bild konnte nicht geladen werden. Stelle sicher, dass das tatsächliche Format des Bildes mit der gespeicherten Dateiendung übereinstimmt.
+	symbol image has alpha:				Für optimale Ergebnisse sollte das Bild schwarzweiß und ohne Transparenz sein.
 
 	# error from files
 	no card fields:						Das Spiel '%s' hat keine Kartenfelder. Definieren Sie mindestens ein Kartenfeld.

data/en.mse-locale/locale

@@ -1023,6 +1023,7 @@ error:
 	negative image width:				Image with zero or negative width created in function '%s'
 	negative image height:				Image with zero or negative height created in function '%s'
 	can't load image:					Failed to load image. Ensure the image's actual format matches its saved extension.
+	symbol image has alpha:				For best results, image should be black and white with no transparency.
 
 	# error from files
 	no card fields:						Game '%s' does not have any card fields. Define at least one card field.

data/es.mse-locale/locale

@@ -1095,6 +1095,8 @@ error:
 	negative image height:				Image with zero or negative height created in function '%s'
 	#TODO: Localize
 	can't load image:					Failed to load image. Ensure the image's actual format matches its saved extension.
+	#TODO: Localize
+	symbol image has alpha:				For best results, image should be black and white with no transparency.
 
 	# error from files
 	#TODO: Localize

data/fr.mse-locale/locale

@@ -1022,6 +1022,7 @@ error:
 	negative image width:				Image de largeur nulle ou négative créée par la fonction '%s'
 	negative image height:				Image de hauteur nulle ou négative créée par la fonction '%s'
 	can't load image:					Échec du chargement de l'image. Assurez-vous que le format réel de l'image corresponde à son extension enregistrée.
+	symbol image has alpha:				Pour un résultat optimal, l'image doit être en noir et blanc sans transparence.
 
 	# error from files
 	no card fields:						Le jeu '%s' ne contient aucun champ de carte. Définissez au moins un champ de carte.

data/it.mse-locale/locale

@@ -1022,6 +1022,7 @@ error:
 	negative image width:				Immagine con larghezza zero o negativa creata nella funzione '%s'
 	negative image height:				Immagine con altezza zero o negativa creata nella funzione '%s'
 	can't load image:					Impossibile caricare l'immagine. Assicurarsi che il formato effettivo dell'immagine corrisponda all'estensione salvata.
+	symbol image has alpha:				Per ottenere risultati ottimali, l'immagine dovrebbe essere in bianco e nero, senza trasparenza.
 
 	# error from files
 	no card fields:						Il gioco '%s' non ha campi carta. Definisci almeno un campo carta.

data/jp.mse-locale/locale

@@ -1095,6 +1095,8 @@ error:
 	negative image height:				Image with zero or negative height created in function '%s'
 	#TODO: Localize
 	can't load image:					Failed to load image. Ensure the image's actual format matches its saved extension.
+	#TODO: Localize
+	symbol image has alpha:				For best results, image should be black and white with no transparency.
 
 	# error from files
 	#TODO: Localize

data/ko.mse-locale/locale

@@ -1101,6 +1101,8 @@ error:
 	negative image height:				Image with zero or negative height created in function '%s'
 	#TODO: Localize
 	can't load image:					Failed to load image. Ensure the image's actual format matches its saved extension.
+	#TODO: Localize
+	symbol image has alpha:				For best results, image should be black and white with no transparency.
 
 	# error from files
 	#TODO: Localize

data/pl.mse-locale/locale

@@ -1151,6 +1151,8 @@ error:
 	negative image height:				Image with zero or negative height created in function '%s'
 	#TODO: Localize
 	can't load image:					Failed to load image. Ensure the image's actual format matches its saved extension.
+	#TODO: Localize
+	symbol image has alpha:				For best results, image should be black and white with no transparency.
 
 	# error from files
 	#TODO: Localize

data/pt-br.mse-locale/locale

@@ -1023,6 +1023,7 @@ error:
 	negative image width:				Imagem com largura zero ou negativa criada na função '%s'
 	negative image height:				Imagem com altura zero ou negativa criada na função '%s'
 	can't load image:					Falha ao carregar a imagem. Verifique se o formato real da imagem corresponde à extensão salva.
+	symbol image has alpha:				Para obter melhores resultados, a imagem deve ser em preto e branco, sem transparência.
 
 	# error from files
 	no card fields:						O jogo '%s' não possui campos de Card. Defina pelo menos um campo de Card.

data/ru.mse-locale/locale

@@ -1147,6 +1147,8 @@ error:
 	negative image height:				Image with zero or negative height created in function '%s'
 	#TODO: Localize
 	can't load image:					Failed to load image. Ensure the image's actual format matches its saved extension.
+	#TODO: Localize
+	symbol image has alpha:				For best results, image should be black and white with no transparency.
 
 	# error from files
 	#TODO: Localize Section