There are two type of JPEG picture file. Regular JPEG, or baseline JPEG. Progressive JPEG, or Interlace JPEG. It is very common, same quality picture, progressive jpeg is smaller than regular jpeg. And also progressive jpeg can show the content when the picture is download. This kind of show is to shown the whole picture
I use png format picture file sometimes. It is OK when I upload the file into MovableType platform. I choose make thumbnail to 400px width from about 700px. Perl ImageMagick engine will create thumbnail file. The blog software will generate html code and put into editor body. Everything looks find. But the file size of
I have an VPS at Burst.net. I pick up Centos 5.5 installation. To make MovableType work on it, I have to install Perl module Image::Magick. The image thumbnail feature will be disabled if no Image::Magick installed. Every time I do it, I always have the problem to install it. Now I recorded here for reference.