>Hi There...
>
> I have this situation: I need to add a variable quantity of objects in a form. As you can guess, the size of the object will vary depending on the quantity of objects that will be added. When I do some calculations to determine the size of every object, the result is too small and does not give me size that can fullfil my needs.
>
> My question... is there a routine or something like that, which can help me to determine de exact size for every object...?

In addition to Ken's idea, you could use a pageframe with say, 5 or 10 pages, with 30 or 15 images on each. This would give you larger images, and might be easier for your users to manage than throwing 150 at them all at once.