The No image specified. One of the following parameters must be set: fileId, randomGalleryId, fgalId, attId, id, or src. command is still active in 1.9.0.
I tried and it works.
Look at Tiki Documentation>Features>Wiki>Using Wiki Pages>Wiki-Syntax Images. This page is very helpfull. I think that section "Uploading Images" is the answer for you.
This a live example