I was able to write BMP data to an Access OLE_Object field with the Database Connectivity Toolkit. When you mention the SQL Toolkit do you mean this current one or the "old" SQL Toolkit that was obsoleted when LabVIEW 6.0 was released?
What error are you receiving?
Another thing to look at is what exactly is the data when you have it in LabVIEW? Is it in a picture control, a BMP file, a 2D Array, an IMAQ image? When I was testing this, I used the Read BMP File subVI to read in a BMP, then I used the Draw Flattened Pixmap to display that BMP in a picture control. When I wrote the data to the database, I can write either the image data cluster or the pixmap information to the OLE-Object field and successfully read it back and convert it to the original format
. How are you accessing that image when it's in Access? That might help decide what type of LabVIEW data to write. The OLE-Object type is really just a binary data type that can store any kind of information.