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currently I m showing post image and it's exceprt on my index page of website. Beacuse of this site is slow downs as each image is passed to timthumb.php file. I want to change in code so that image is displayed direct without passing to timthumb.php file for resizing. Is there any way to achieve this??

Thanks in advance..

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Show the code from you index.php template. – Chris Carson Aug 8 '11 at 13:16
Is the image in question an attached image? Is the image in question the Post Featured Image? – Chip Bennett Aug 8 '11 at 13:19

add the size to your images sizes using add_image_size() to your theme's functions.php file. eg:

if ( function_exists( 'add_theme_support' ) ) {
    add_image_size( 'index-thumb', 220, 180 ); // 220 pixels wide by 180 pixels tall

then set the image as featured image from the media uploader of the posts :

enter image description here

then open your index.php and replace the image tag that is calling the timthumb.php file for resizing with:

if(has_post_thumbnail()) {
} else {
    //show default image if none is set
    echo '<img src="'.get_bloginfo("template_url").'/images/img-default.png" />';
share|improve this answer
Thanks for reply. Can we set image size setting in media setting instead of adding add_image_size() in function.php file.?? – user392406 Aug 11 '11 at 12:28
Not really since the add_image_size has to be fired before the image is uploaded. So out of the box it won't work but with some custom coding you can do that. – Bainternet Aug 11 '11 at 14:05

You can use the following function to get the image attached to the post:

function firstimg($parent){
    global $wpdb;
    $image = wpdb->get_results('SELECT * FROM '.$wpdb->posts.' WHERE post_parent='.$parent.' AND post_type="attachment" AND post_mime_type LIKE "%image%" ORDER BY menu_order ASC LIMIT 1');

    return $image;
share|improve this answer
I much prefer get_children(). – Chip Bennett Aug 8 '11 at 14:59

Check out this article I wrote on images, image sizes and thumbnails in WordPress: http://theme.fm/2011/08/images-image-sizes-and-post-thumbnails-in-wordpress-1385/

share|improve this answer

I see someone else has already recommended using the_post_thumbnail(), but I wanted to point out that you can use this function dynamically to create images of any size.

In your code, just use:

the_post_thumbnail( array(100, 150) );

This will display the post's thumbnail image at 100px wide by 150px high.

If your image isn't set as the post's thumbnail, you can use wp_get_attachment_image() in a similar fashion:

echo wp_get_attachment_image( 1, array(100, 150) );

Just substitute the ID of the attached image for the 1 above, and the width/height you want. Be sure to use echo because the function by default "gets" the image information and returns it ... you need to echo it back to the browser.

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