Loading images using TOAD

Hi,
can someone help me?
I'd like to create a simple database that contains images. I've already used the Oracle DB tutorial, but at the moment it's difficult for me to load an image correctly using TOAD.
Can someone give me a simple code (mine does'nt work!) for fetching gif or jpeg. Can you show me links for find documentation?
Tanks

Thank you Felix!
I tried to use this code to fetch image into database but TOAD always gives me error:
DECLARE
l_bfile BFILE;
l_blob BLOB;
BEGIN
INSERT INTO tab1 (col1)
VALUES (empty_blob())
RETURN col1 INTO l_blob;
l_bfile := BFILENAME('IMAGES', 'image.jpeg');
DBMS_LOB.fileopen(l_bfile, Dbms_Lob.File_Readonly);
DBMS_LOB.loadfromfile(l_blob, l_bfile, DBMS_LOB.getlength(l_bfile));
DBMS_LOB.fileclose(l_bfile);
COMMIT;
END;
I don't understand what's wrong, TOAD does'nt execute fileopen() operation at the moment.
Do you know an easy way to solve this problem? Where can I find some documentation about BLOB using TOAD?
Thank a lot!

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