Using attractive, high-quality images is a great way to enhance a post on Craigslist. In fact, including poor images (or no images at all) with your Craigslist ad increases the likelihood that potential customers and clients will completely disregard your listing. The Craigslist posting method automatically resizes and reformats images to fit within a certain size, but this does not completely limit your ability to share effective, high-quality images with the people who view your listing. You can include larger pictures by linking to images hosted elsewhere.
Visit Craigslist and select the appropriate section for your ad. In the top right corner of your browser, click "post."
Enter the relevant information into the fields for post title, description, etc. Click Add/Edit Images—if this option is not available, follow the alternative method in Section 2.
Click the "Choose File..." button and locate the image on your hard drive. Craigslist allows you to directly upload four images with one post. The website will automatically decrease the size of larger images to a maximum of 300 by 300 pixels, so it is unnecessary to upload especially large images. If you want to preserve the resolution of an image without uploading large images, use the PNG file format (available as a savable format in most image editing software applications). The Craigslist interface will always reduce the size, however, so use the alternative instructions in Section 2 if your image needs to be larger.
Click "Continue" to see a preview of your uploaded image. If the image still looks unsuitable, click "Edit" to try a different image or follow the alternative method in Section 2.
Visit a free image-hosting website (such as Imgur, Photobucket or Tinypic). Follow the website's instructions to upload your high-quality photo. Copy the URL listed in the Direct Link field.
Visit Craigslist in a separate browser tab or window. Select the appropriate section for your ad. In the top-right corner of your browser, click "post."
Enter the relevant information into the fields for post title, description, etc.
Skip a line beneath the end of your description. Enter the HTML code for images into the field and paste your image URL into the source. If you do not know the HTML image code offhand, enter the following code into the description field and paste your image URL into the indicated field (between the quotation marks):
Click "Continue" to see a preview of your post. If the image is too large or small, return to the image hosting website and use the available resizing tools to reduce the image size. Sizes around 500 by 500 pixels should be suitable for presenting a high-quality image without overwhelming your potential client or customer.
Use basic image editing software to reduce the size of large, high-quality images to fit within a 300-by-300 pixel frame. This will reduce the file size to fit within Craigslist's limits, while maintaining much of the high resolution of the original image.
PNG files will help to preserve much of the original quality of the photo, as opposed to JPGs, which can cause some noticeable distortion as the file size is reduced.
Don't simply cut the file to 300x300 pixels. Maintain the image's appropriate proportions (while lowering both below 300 pixels) to avoid stretching or mashing the image.