diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index 0478268b..6c0f65b9 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -13,4 +13,5 @@ InformationLabel se muestra ahora en la esquina superiror derecha.
 InformationLabel se muestra en 3 tamaños diferentes en función de la resolución
 Corregido bug que causaba que las marcas de cómic leído no se dibujasen adecuadamente.
 Se recuerda si se debe mostrar o no la "label" información.
-Corregido bug que provocaba el fallo de YACReader al pasar muy rápido las páginas.
\ No newline at end of file
+Corregido bug que provocaba el fallo de YACReader al pasar muy rápido las páginas.
+Añadida columna "Tamaño" a la lista de cómics en YACReaderLibrary
\ No newline at end of file
diff --git a/YACReaderLibrary/server/controllers/comiccontroller.cpp b/YACReaderLibrary/server/controllers/comiccontroller.cpp
index ba09dd9f..79403fc2 100644
--- a/YACReaderLibrary/server/controllers/comiccontroller.cpp
+++ b/YACReaderLibrary/server/controllers/comiccontroller.cpp
@@ -40,6 +40,8 @@ void ComicController::service(HttpRequest& request, HttpResponse& response)
 
 	ComicDB comic = mw->getComicInfo(libraryName, comicId);
 
+	session.setDownloadedComic(comic.info.hash);
+
 	Comic * comicFile = FactoryComic::newComic(libraries.value(libraryName)+comic.path);
 
 	if(comicFile != NULL)
diff --git a/YACReaderLibrary/server/controllers/foldercontroller.cpp b/YACReaderLibrary/server/controllers/foldercontroller.cpp
index f0921309..e4b45abf 100644
--- a/YACReaderLibrary/server/controllers/foldercontroller.cpp
+++ b/YACReaderLibrary/server/controllers/foldercontroller.cpp
@@ -121,7 +121,8 @@ void FolderController::service(HttpRequest& request, HttpResponse& response)
 
 			//t.setVariable(QString("element%1.url").arg(i),"/library/"+libraryName+"/folder/"+QString("%1").arg(folderContent.at(i + (page*10))->id));
 			//t.setVariable(QString("element%1.downloadurl").arg(i),"/library/"+libraryName+"/folder/"+QString("%1/info").arg(folderContent.at(i + (page*elementsPerPage))->id));
-			t.setVariable(QString("element%1.download").arg(i),QString("<a class =\"importButton\" href=\"%1\">import</a>").arg("/library/"+QUrl::toPercentEncoding(libraryName)+"/folder/"+QString("%1/info").arg(folderContent.at(i + (page*elementsPerPage))->id)));
+			
+			t.setVariable(QString("element%1.download").arg(i),QString("<a onclick=\"this.innerHTML='importing';this.className='importedButton';\" class =\"importButton\" href=\"%1\">import</a>").arg("/library/"+QUrl::toPercentEncoding(libraryName)+"/folder/"+QString("%1/info").arg(folderContent.at(i + (page*elementsPerPage))->id)));
 		}
 		else
 		{
@@ -130,10 +131,12 @@ void FolderController::service(HttpRequest& request, HttpResponse& response)
 			t.setVariable(QString("element%1.browse").arg(i),"");
 			t.setVariable(QString("element%1.image.width").arg(i),"80px");
 			//t.setVariable(QString("element%1.downloadurl").arg(i),"/library/"+libraryName+"/comic/"+QString("%1").arg(comic->id));
-			if(!session.isComicOnDevice(comic->info.hash))
-				t.setVariable(QString("element%1.download").arg(i),QString("<a class =\"importButton\" href=\"%1\">import</a>").arg("/library/"+QUrl::toPercentEncoding(libraryName)+"/comic/"+QString("%1").arg(comic->id)));
+			if(!session.isComicOnDevice(comic->info.hash) && !session.isComicDownloaded(comic->info.hash))
+				t.setVariable(QString("element%1.download").arg(i),QString("<a onclick=\"this.innerHTML='importing';this.className='importedButton';\" class =\"importButton\" href=\"%1\">import</a>").arg("/library/"+QUrl::toPercentEncoding(libraryName)+"/comic/"+QString("%1").arg(comic->id)));
+			else if (!session.isComicDownloaded(comic->info.hash))
+					t.setVariable(QString("element%1.download").arg(i),QString("<div class=\"importedButton\">imported</div>"));
 			else
-				t.setVariable(QString("element%1.download").arg(i),QString("<div class=\"importedButton\">imported</div>"));
+				t.setVariable(QString("element%1.download").arg(i),QString("<div class=\"importedButton\">importing</div>"));
 			
 			//t.setVariable(QString("element%1.image.url").arg(i),"/images/f.png");
 
diff --git a/YACReaderLibrary/server/lib/bfHttpServer/httpsession.cpp b/YACReaderLibrary/server/lib/bfHttpServer/httpsession.cpp
index 402d8af0..53a51a20 100644
--- a/YACReaderLibrary/server/lib/bfHttpServer/httpsession.cpp
+++ b/YACReaderLibrary/server/lib/bfHttpServer/httpsession.cpp
@@ -270,6 +270,7 @@ void HttpSession::setDeviceType(const QString & device)
 	if(dataPtr)
 	{
 		dataPtr->yacreaderSessionData.comicsOnDevice.clear(); //TODO crear un método clear que limpie la sesión completamente
+		dataPtr->yacreaderSessionData.downloadedComics.clear();
 		dataPtr->yacreaderSessionData.device = device;
 	}
 }
diff --git a/release/server/docroot/images/Thumbs.db b/release/server/docroot/images/Thumbs.db
deleted file mode 100644
index 68755827..00000000
Binary files a/release/server/docroot/images/Thumbs.db and /dev/null differ