Its easy to create a image hosting script specially for basic use like this one
<?php
// Upload and Rename File
if (isset($_POST['submit']))
{
$filename = $_FILES["file"]["name"];
$file_basename = substr($filename, 0, strripos($filename, '.')); // get file extention
$file_ext = substr($filename, strripos($filename, '.')); // get file name
$filesize = $_FILES["file"]["size"];
$allowed_file_types = array('.png','.jpg','.jpeg','.gif', '.pdf');
if (in_array($file_ext,$allowed_file_types) && ($filesize < 200000))
{
// Rename file
$newfilename = md5($file_basename) . $file_ext;
if (file_exists("upload/" . $newfilename))
{
// file already exists error
echo "You have already uploaded this file.";
}
else
{
move_uploaded_file($_FILES["file"]["tmp_name"], "upload/" . $newfilename);
echo "<a href='upload/".$newfilename."'>upload/".$newfilename."[/url]";
}
}
elseif (empty($file_basename))
{
// file selection error
echo "Please select a file to upload.";
}
elseif ($filesize > 200000)
{
// file size error
echo "The file you are trying to upload is too large.";
}
else
{
// file type error
echo "Only these file typs are allowed for upload: " . implode(', ',$allowed_file_types);
unlink($_FILES["file"]["tmp_name"]);
}
}
?>
