MySQLi doesn't mean it's in OOP. There's procedural method for MySQLi as well.
mysql_query("SELECT username FROM users WHERE username = '". $username ."'")
X
mysql_query("SELECT username FROM users WHERE username = '". mysql_real_escape_string($username) ."'")
✓
$username = mysql_real_escape_string(strip_tags(stripslashes(htmlspecialchars($_POST['log_user']))));
$password = mysql_real_escape_string(strip_tags(stripslashes(htmlspecialchars($_POST['log_pass']))));
Awesome pics. Great size. Look thick. Solid. Tight. Keep us all posted on your continued progress with any new progress pics or vid clips. Show us what you got man. Wanna see how freakin' huge, solid, thick and tight this can get. Thanks.