Added few screenshots

Screenshots.md

@@ -1,15 +1,22 @@
 # Screenshots
 
-Verbose output, `-v` switch set to `3`:
+Verbose output (option `-v` set to `3`):
 ![Verbose output set to 3](images/sqlmap_verbose_3.png)
 
-Concatenation of three tamper scripts to obfuscate the injected SQL payloads, `--tamper` switch:
+Concatenation of three tamper scripts to obfuscate the injected SQL payloads (switch `--tamper`):
 ![Tamper scripts in action](images/sqlmap_tamper_in_action.png)
 
-Cracking dumped databased users' password hashes, `--passwords` switch:
+Cracking dumped databased users' password hashes (switch `--passwords`):
 ![Users' password hashes cracking](images/sqlmap_cracking_password_hashes.png)
 
-Enumerating database table's columns, `--columns` switch:
+Enumerating database table's columns (switch `--columns`):
 ![Database table's columns dump](images/sqlmap_enumerating_columns.png)
 
+Mnemonics (option `-z` set to `flu,ign,bat,tec=B`):
+![Mnemonics set to flu,ign,bat,tec=B](images/sqlmap_mnemonics.png)
 
+SQL shell mode (switch `--sql-shell`):
+![SQL shell mode](images/sqlmap_shell.png)
+
+Wizard mode (switch `--wizard`):
+![Wizard mode](images/sqlmap_wizard.png)