diff --git a/PictureDialog.cpp b/PictureDialog.cpp
index b5641b3..a00edad 100755
--- a/PictureDialog.cpp
+++ b/PictureDialog.cpp
@@ -223,13 +223,13 @@ fileDialogPreSave:
 
             if (!isSaved)
             {
-                QMessageBox::warning(this, tr("Snapmatic Picture Exporter"), tr("Failed to save the picture"));
+                QMessageBox::warning(this, tr("Export picture"), tr("Failed to save the picture"));
                 goto fileDialogPreSave;
             }
         }
         else
         {
-            QMessageBox::warning(this, tr("Snapmatic Picture Exporter"), tr("No valid file is selected"));
+            QMessageBox::warning(this, tr("Export picture"), tr("No valid file is selected"));
             goto fileDialogPreSave;
         }
     }
diff --git a/ProfileInterface.cpp b/ProfileInterface.cpp
index 3b6cfa4..bdbaf62 100755
--- a/ProfileInterface.cpp
+++ b/ProfileInterface.cpp
@@ -55,11 +55,13 @@ ProfileInterface::~ProfileInterface()
     }
     foreach(SnapmaticPicture *picture, pictures)
     {
+        pictures.removeAll(picture);
         picture->deleteLater();
         delete picture;
     }
     foreach(QWidget *widget, widgets)
     {
+        widgets.removeAll(widget);
         widget->deleteLater();
         delete widget;
     }
@@ -101,6 +103,7 @@ void ProfileInterface::on_pictureLoaded(SnapmaticPicture *picture, QString pictu
     ui->vlSnapmatic->addWidget(picWidget);
     widgets.append(picWidget);
     pictures.append(picture);
+    QObject::connect(picWidget, SIGNAL(pictureDeleted()), this, SLOT(on_pictureDeleted()));
 }
 
 void ProfileInterface::on_loadingProgress(int value, int maximum)
@@ -118,6 +121,14 @@ void ProfileInterface::on_profileLoaded()
     ui->cmdCloseProfile->setEnabled(true);
 }
 
+void ProfileInterface::on_pictureDeleted()
+{
+    SnapmaticWidget *picWidget = (SnapmaticWidget*)sender();
+    widgets.removeAll(picWidget);
+    picWidget->deleteLater();
+    delete picWidget;
+}
+
 void ProfileInterface::on_cmdCloseProfile_clicked()
 {
     emit profileClosed();
diff --git a/ProfileInterface.h b/ProfileInterface.h
index dc1e902..6ea5399 100755
--- a/ProfileInterface.h
+++ b/ProfileInterface.h
@@ -20,6 +20,7 @@
 #define PROFILEINTERFACE_H
 
 #include "SnapmaticPicture.h"
+#include "SnapmaticWidget.h"
 #include "ProfileDatabase.h"
 #include "DatabaseThread.h"
 #include "ProfileLoader.h"
@@ -46,6 +47,7 @@ private slots:
     void on_pictureLoaded(SnapmaticPicture *picture, QString picturePath);
     void on_savegameLoaded(SavegameData *savegame, QString savegamePath);
     void on_loadingProgress(int value, int maximum);
+    void on_pictureDeleted();
     void on_profileLoaded();
 
 private:
diff --git a/SavegameData.cpp b/SavegameData.cpp
index 37ebe42..ef291e1 100755
--- a/SavegameData.cpp
+++ b/SavegameData.cpp
@@ -39,6 +39,8 @@ bool SavegameData::readingSavegame()
     if (!saveFile->open(QFile::ReadOnly))
     {
         lastStep = "1;/1,OpenFile," + convertDrawStringForLog(savegameFileName);
+        saveFile->deleteLater();
+        delete saveFile;
         return false;
     }
 
@@ -46,6 +48,9 @@ bool SavegameData::readingSavegame()
     if (!saveFile->isReadable())
     {
         lastStep = "2;/3,ReadingFile," + convertDrawStringForLog(savegameFileName) + ",1,NOHEADER";
+        saveFile->close();
+        saveFile->deleteLater();
+        delete saveFile;
         return false;
     }
     QByteArray savegameHeaderLine = saveFile->read(savegameHeaderLength);
@@ -58,6 +63,9 @@ bool SavegameData::readingSavegame()
         }
     }
 
+    saveFile->close();
+    saveFile->deleteLater();
+    delete saveFile;
     return savegameOk;
 }
 
diff --git a/SnapmaticPicture.cpp b/SnapmaticPicture.cpp
index 04c6846..6954d6d 100755
--- a/SnapmaticPicture.cpp
+++ b/SnapmaticPicture.cpp
@@ -60,6 +60,8 @@ bool SnapmaticPicture::readingPicture()
     if (!picFile->open(QFile::ReadOnly))
     {
         lastStep = "1;/1,OpenFile," + convertDrawStringForLog(picFileName);
+        picFile->deleteLater();
+        delete picFile;
         return false;
     }
 
@@ -67,6 +69,9 @@ bool SnapmaticPicture::readingPicture()
     if (!picFile->isReadable())
     {
         lastStep = "2;/3,ReadingFile," + convertDrawStringForLog(picFileName) + ",1,NOHEADER";
+        picFile->close();
+        picFile->deleteLater();
+        delete picFile;
         return false;
     }
     QByteArray snapmaticHeaderLine = picFile->read(snapmaticHeaderLength);
@@ -76,6 +81,9 @@ bool SnapmaticPicture::readingPicture()
     if (!picFile->isReadable())
     {
         lastStep = "2;/3,ReadingFile," + convertDrawStringForLog(picFileName) + ",2,NOHEADER";
+        picFile->close();
+        picFile->deleteLater();
+        delete picFile;
         return false;
     }
     QByteArray jpegHeaderLine = picFile->read(jpegPreHeaderLength);
@@ -85,6 +93,9 @@ bool SnapmaticPicture::readingPicture()
     if (jpegHeaderLine.left(4) != "JPEG")
     {
         lastStep = "2;/3,ReadingFile," + convertDrawStringForLog(picFileName) + ",2,NOJPEG";
+        picFile->close();
+        picFile->deleteLater();
+        delete picFile;
         return false;
     }
 
@@ -92,6 +103,9 @@ bool SnapmaticPicture::readingPicture()
     if (!picFile->isReadable())
     {
         lastStep = "2;/3,ReadingFile," + convertDrawStringForLog(picFileName) + ",3,NOPIC";
+        picFile->close();
+        picFile->deleteLater();
+        delete picFile;
         return false;
     }
     QByteArray jpegRawContent = picFile->read(jpegPicStreamLength);
@@ -101,17 +115,26 @@ bool SnapmaticPicture::readingPicture()
     if (!picFile->isReadable())
     {
         lastStep = "2;/3,ReadingFile," + convertDrawStringForLog(picFileName) + ",3,NOJSON";
+        picFile->close();
+        picFile->deleteLater();
+        delete picFile;
         return picOk;
     }
     else if (picFile->read(4) != "JSON")
     {
         lastStep = "2;/3,ReadingFile," + convertDrawStringForLog(picFileName) + ",3,CTJSON";
+        picFile->close();
+        picFile->deleteLater();
+        delete picFile;
         return picOk;
     }
     QByteArray jsonRawContent = picFile->read(jsonStreamLength);
     jsonStr = getSnapmaticJSONString(jsonRawContent);
     parseJsonContent(); // JSON parsing is own function
 
+    picFile->close();
+    picFile->deleteLater();
+    delete picFile;
     return picOk;
 
 }
diff --git a/SnapmaticWidget.cpp b/SnapmaticWidget.cpp
index 1cdec19..460873e 100755
--- a/SnapmaticWidget.cpp
+++ b/SnapmaticWidget.cpp
@@ -21,7 +21,10 @@
 #include "SnapmaticPicture.h"
 #include "DatabaseThread.h"
 #include "PictureDialog.h"
+#include <QMessageBox>
 #include <QPixmap>
+#include <QDebug>
+#include <QFile>
 
 SnapmaticWidget::SnapmaticWidget(ProfileDatabase *profileDB, DatabaseThread *threadDB, QWidget *parent) :
     QWidget(parent), profileDB(profileDB), threadDB(threadDB),
@@ -29,6 +32,7 @@ SnapmaticWidget::SnapmaticWidget(ProfileDatabase *profileDB, DatabaseThread *thr
 {
     ui->setupUi(this);
     picPath = "";
+    picStr = "";
     smpic = 0;
 }
 
@@ -39,12 +43,14 @@ SnapmaticWidget::~SnapmaticWidget()
 
 void SnapmaticWidget::setSnapmaticPicture(SnapmaticPicture *picture, QString picturePath)
 {
-    QPixmap SnapmaticPixmap = QPixmap::fromImage(picture->getPicture(), Qt::AutoColor);
-    SnapmaticPixmap.scaled(ui->labPicture->width(), ui->labPicture->height(), Qt::KeepAspectRatio, Qt::SmoothTransformation);
-    ui->labPicStr->setText(picture->getPictureStr());
-    ui->labPicture->setPixmap(SnapmaticPixmap);
     smpic = picture;
     picPath = picturePath;
+    picStr = picture->getPictureStr();
+
+    QPixmap SnapmaticPixmap = QPixmap::fromImage(picture->getPicture(), Qt::AutoColor);
+    SnapmaticPixmap.scaled(ui->labPicture->width(), ui->labPicture->height(), Qt::KeepAspectRatio, Qt::SmoothTransformation);
+    ui->labPicStr->setText(picStr);
+    ui->labPicture->setPixmap(SnapmaticPixmap);
 }
 
 void SnapmaticWidget::on_cmdView_clicked()
@@ -63,3 +69,24 @@ void SnapmaticWidget::on_cmdView_clicked()
     picDialog->deleteLater();
     delete picDialog;
 }
+
+void SnapmaticWidget::on_cmdDelete_clicked()
+{
+    int uchoice = QMessageBox::question(this, tr("Delete picture"), tr("You're sure to delete %1 from your Snapmatic pictures?").arg(picStr), QMessageBox::No | QMessageBox::Yes, QMessageBox::No);
+    if (uchoice == QMessageBox::Yes)
+    {
+        QFile pictureFile(picPath);
+        if (!pictureFile.exists())
+        {
+            emit pictureDeleted();
+        }
+        else if(QFile::remove(picPath))
+        {
+            emit pictureDeleted();
+        }
+        else
+        {
+            QMessageBox::warning(this, tr("Delete picture"), tr("Failed at deleting %1 from your Snapmatic pictures").arg(picStr));
+        }
+    }
+}
diff --git a/SnapmaticWidget.h b/SnapmaticWidget.h
index c66ad16..c2e3a07 100755
--- a/SnapmaticWidget.h
+++ b/SnapmaticWidget.h
@@ -39,6 +39,7 @@ public:
 
 private slots:
     void on_cmdView_clicked();
+    void on_cmdDelete_clicked();
 
 private:
     ProfileDatabase *profileDB;
@@ -46,6 +47,10 @@ private:
     Ui::SnapmaticWidget *ui;
     SnapmaticPicture *smpic;
     QString picPath;
+    QString picStr;
+
+signals:
+    void pictureDeleted();
 };
 
 #endif // SNAPMATICWIDGET_H