Harlequin rasboras would work along with most species of tetra. Blood parrots tend to leave them alone, although some care must be taken.
What are your exact tank dimensions, L x W x H.
To put load pictures, click on "Go advanced" below the message box.
Top line to the right of the smiley face, there is a paperclip.
Click on that and it will allow you to upload pictures.
If the pictures are too big, you can either resize them, load them them to a free hosting site such as photobucket and then directly link them using the url of the picture.
You can also add pictures of your tank, using the Aquarium Log