You can upload Pictures with size less than 100kb.Try to upload picture less than 50kb.Pls rename your picture before uploading.No spaces in picture name!
*After uploading your Picture link will be http://jottil.wen.su/pictures/filename.format E.G you uploaded a picture as megatron.jpg your picture link will be http://jottil.wen.su/pictures/megatron.jpg